#303A4A#303A4A

#303A4A is a dark, muted blue. Relative luminance 0.041; OKLCH L 34.6% C 0.031 H 259.7°. Best body text is #FFFFFF at 11.48:1 contrast (WCAG AA passes).

Color values

HEX	#303A4A
RGB	rgb(48, 58, 74)
HSL	hsl(217, 21%, 24%)
HSV	hsv(217, 35%, 29%)
CMYK	cmyk(35.1%, 21.6%, 0%, 71%)
CIE-LAB	lab(24.16, 0.36, -11.15)
CIE-LCH	lch(24.16, 11.15, 271.83°)
OKLab	oklab(34.62% -0.0056 -0.0307)
OKLCH	oklch(34.62% 0.031 259.7)
XYZ	xyz(3.9676, 4.1487, 7.0690)
Luminance	0.0415 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#303A4A #4A4030

analogous

#30474A #303A4A #33304A

triadic

#303A4A #4A303A #3A4A30

tetradic

#303A4A #4A3047 #4A4030 #304A33

square

#303A4A #4A3047 #4A4030 #304A33

split-complementary

#303A4A #4A3330 #474A30

monochromatic

#0C0F13 #181D25 #303A4A #48576F #607494

Accessibility & contrast

On white

11.48

#303A4A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#303A4A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303A4A

11.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303A4A	#FFFFFF	#000000	##FFFFFF
##303A4A	1.00	11.48	1.83	11.48
#FFFFFF	11.48	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353B4B

Deuteranopia (green-blind)

#32384A

Tritanopia (blue-blind)

#283D3F

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #303a4a;
/* rgb */ color: rgb(48, 58, 74);
/* oklch */ color: oklch(34.6% 0.031 259.7);

Tailwind

colors: {
  custom: {
    50: '#69707c',
    500: '#303a4a',
    950: '#000000',
  },
}

SCSS

$custom: #303a4a;
$custom-light: #69707c;
$custom-dark: #000000;

JSON

{
  "hex": "#303a4a",
  "rgb": {
    "r": 48,
    "g": 58,
    "b": 74
  },
  "hsl": {
    "h": 216.923,
    "s": 21.311,
    "l": 23.922
  },
  "oklch": {
    "l": 0.34621,
    "c": 0.0312,
    "h": 259.7
  },
  "luminance": 0.04149
}

Semantic roles & 50–950 ramp

primary

#303A4A

secondary

#7B6F5B

accent

#9E6ABE

background

#F6F6F7

surface

#EBECEE

border

#C6C7C9

text

#060709

muted

#7A7A7B

Preview Lab

Preview with #303A4A

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

Preview Lab → · Contrast checker → · Palette generator →