#2957b3

Color #2957b3

A moderately saturated medium blue.

Closest named color Dark Slate Blue #483d8b · ΔE 16.13 Nearest Tailwind class sky-800 #00598a · ΔE 8.3

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#2957b3

RGB

rgb(41, 87, 179)

HSL

hsl(220, 62.7%, 43.1%)

HSV / HSB

hsv(220, 77.1%, 70.2%)

CMYK

cmyk(77.1%, 51.4%, 0%, 29.8%)

LAB

lab(38.8, 17.78, -53.41)

LCH

lch(38.8, 56.29, 288.41)

OKLCH

oklch(47.8%, 0.1551, 262.26)

HWB

hwb(220, 16.1%, 29.8%)

Harmony colors

Complementary

#b38529

Analogous

#299cb3

#2957b3

#4029b3

Triadic

#2957b3

#b32957

#57b329

Split-complementary

#2957b3

#b34029

#9cb329

Tetradic

#2957b3

#8529b3

#b38529

#57b329

Square

#2957b3

#b3299c

#b38529

#29b340

Shades

Color #2957b3 mixed toward black.

#224895

#1b3a77

#142b59

#0e1d3c

#070e1e

Tints

Color #2957b3 mixed toward white.

#3a6dd2

#628adb

#89a7e4

#b0c5ed

#d8e2f6

Tones

Color #2957b3 mixed toward gray.

#345ba7

#405f9c

#4b6290

#576685

#626a79

Accessibility

Aa White text on this color

6.76:1

Aa Black text on this color

3.11:1

White text reads better on this background (6.76:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#4242a3 · ΔE 9

Deuteranopia

#3f3b9e · ΔE 10.8

Tritanopia

#2d9491 · ΔE 34.7

Achromatopsia

#5b5b5b · ΔE 24.9

Left half is the original, right half is the simulated appearance. See all 8 vision types →

Code

CSS

background-color: #2957b3;

Tailwind (arbitrary value)

bg-[#2957b3]

Related colors

Cornflower Blue #6495ed

Royal Blue #4169e1

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#2957b3 (#2957b3) is rgb(41, 87, 179) in RGB.

No, #2957b3 is not web-safe. The nearest web-safe colors are among its tones and shades below.

Related tools

Colors

HEX to RGB Converter

Convert any HEX color code to its RGB and HSL equivalents, live, with copy-to-clipboard values.

Try it → Accessibility

Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

Try it → Generators

Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

Try it →

Build something with this color

Generate a full palette from #2957b3, or check how it holds up for accessibility.

Generate a palette → Check contrast