#303A4C#303A4C

#303A4C is a dark, muted blue. Relative luminance 0.042; OKLCH L 34.7% C 0.034 H 262.0°. Best body text is #FFFFFF at 11.44:1 contrast (WCAG AA passes).

Color values

HEX	#303A4C
RGB	rgb(48, 58, 76)
HSL	hsl(219, 23%, 24%)
HSV	hsv(219, 37%, 30%)
CMYK	cmyk(36.8%, 23.7%, 0%, 70.2%)
CIE-LAB	lab(24.25, 0.97, -12.34)
CIE-LCH	lch(24.25, 12.38, 274.49°)
OKLab	oklab(34.72% -0.0048 -0.0341)
OKLCH	oklch(34.72% 0.034 262)
XYZ	xyz(4.0361, 4.1761, 7.4295)
Luminance	0.0418 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#303A4C #4C4230

analogous

#30484C #303A4C #34304C

triadic

#303A4C #4C303A #3A4C30

tetradic

#303A4C #4C3048 #4C4230 #304C34

square

#303A4C #4C3048 #4C4230 #304C34

split-complementary

#303A4C #4C3430 #484C30

monochromatic

#0C0E13 #181D26 #303A4C #485772 #5F7397

Accessibility & contrast

On white

11.44

#303A4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#303A4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303A4C

11.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303A4C	#FFFFFF	#000000	##FFFFFF
##303A4C	1.00	11.44	1.84	11.44
#FFFFFF	11.44	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#343B4D

Deuteranopia (green-blind)

#31384C

Tritanopia (blue-blind)

#283E40

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #303a4c;
/* rgb */ color: rgb(48, 58, 76);
/* oklch */ color: oklch(34.7% 0.034 262.0);

Tailwind

colors: {
  custom: {
    50: '#69707e',
    500: '#303a4c',
    950: '#000000',
  },
}

SCSS

$custom: #303a4c;
$custom-light: #69707e;
$custom-dark: #000000;

JSON

{
  "hex": "#303a4c",
  "rgb": {
    "r": 48,
    "g": 58,
    "b": 76
  },
  "hsl": {
    "h": 218.571,
    "s": 22.581,
    "l": 24.314
  },
  "oklch": {
    "l": 0.34719,
    "c": 0.0344,
    "h": 262
  },
  "luminance": 0.04176
}

Semantic roles & 50–950 ramp

primary

#303A4C

secondary

#7D715B

accent

#A069BF

background

#F6F6F7

surface

#EBECEE

border

#C6C7C9

text

#060709

muted

#7A7A7B

Preview Lab

Preview with #303A4C

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →