#003fca

Color #003fca

A vivid, highly saturated dark blue.

Closest named color Medium Slate Blue #7b68ee · ΔE 21.11 Nearest Tailwind class blue-800 #193cb8 · ΔE 2.4

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

Conversions

HEX

#003fca

RGB

rgb(0, 63, 202)

HSL

hsl(221.3, 100%, 39.6%)

HSV / HSB

hsv(221.3, 100%, 79.2%)

CMYK

cmyk(100%, 68.8%, 0%, 20.8%)

LAB

lab(33.6, 40.03, -75.41)

LCH

lch(33.6, 85.38, 297.96)

OKLCH

oklch(44.3%, 0.2206, 262.87)

HWB

hwb(221.3, 0%, 20.8%)

Harmony colors

Complementary

#ca8b00

Analogous

#00a4ca

#003fca

#2600ca

Triadic

#003fca

#ca003f

#3fca00

Split-complementary

#003fca

#ca2600

#a4ca00

Tetradic

#003fca

#8b00ca

#ca8b00

#3fca00

Square

#003fca

#ca00a4

#ca8b00

#00ca26

Shades

Color #003fca mixed toward black.

#0034a8

#002a87

#001f65

#001543

#000a22

Tints

Color #003fca mixed toward white.

#004ffd

#3272ff

#6595ff

#98b8ff

#ccdcff

Tones

Color #003fca mixed toward gray.

#1145b9

#224ca8

#325297

#435887

#545f76

Accessibility

Aa White text on this color

8.19:1

Aa Black text on this color

2.56:1

White text reads better on this background (8.19:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2829b5 · ΔE 6.6

Deuteranopia

#2521af · ΔE 8.4

Tritanopia

#08a19c · ΔE 44.9

Achromatopsia

#4f4f4f · ΔE 29.2

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

Code

CSS

background-color: #003fca;

Tailwind (arbitrary value)

bg-[#003fca]

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

#003fca (#003fca) is rgb(0, 63, 202) in RGB.

No, #003fca 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 #003fca, or check how it holds up for accessibility.

Generate a palette → Check contrast