#304a57

Color #304a57

A muted dark blue.

Closest named color Charcoal #36454f · ΔE 4.24 Nearest Tailwind class cyan-900 #104e64 · ΔE 5.4

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

Conversions

HEX

#304a57

RGB

rgb(48, 74, 87)

HSL

hsl(200, 28.9%, 26.5%)

HSV / HSB

hsv(200, 44.8%, 34.1%)

CMYK

cmyk(44.8%, 14.9%, 0%, 65.9%)

LAB

lab(29.95, -5.97, -10.81)

LCH

lch(29.95, 12.35, 241.09)

OKLCH

oklch(39.4%, 0.0385, 230.69)

HWB

hwb(200, 18.8%, 65.9%)

Harmony colors

Complementary

#573d30

Analogous

#305751

#304a57

#303757

Triadic

#304a57

#57304a

#4a5730

Split-complementary

#304a57

#573037

#575130

Tetradic

#304a57

#3d3057

#573d30

#4a5730

Square

#304a57

#513057

#573d30

#375730

Shades

Color #304a57 mixed toward black.

#283e49

#20313a

#18252c

#10191d

#080c0f

Tints

Color #304a57 mixed toward white.

#466c7f

#5e8ea6

#86aabc

#aec7d3

#d7e3e9

Tones

Color #304a57 mixed toward gray.

#334954

#374851

#3a474d

#3d464a

#404547

Accessibility

Aa White text on this color

9.36:1

Aa Black text on this color

2.24:1

White text reads better on this background (9.36:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#3d3d54 · ΔE 14.6

Deuteranopia

#3b3953 · ΔE 16.2

Tritanopia

#325251 · ΔE 9

Achromatopsia

#474747 · ΔE 10.7

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

Code

CSS

background-color: #304a57;

Tailwind (arbitrary value)

bg-[#304a57]

Related colors

Sky Blue #87ceeb

Light Sky Blue #87cefa

Charcoal #36454f

Deep Sky Blue #00bfff

Light Blue #add8e6

Steel Blue #4682b4

Frequently asked questions

#304a57 (#304a57) is rgb(48, 74, 87) in RGB.

No, #304a57 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 #304a57, or check how it holds up for accessibility.

Generate a palette → Check contrast