#303151#303151

#303151 is a dark, muted blue. Relative luminance 0.034; OKLCH L 32.8% C 0.056 H 281.5°. Best body text is #FFFFFF at 12.47:1 contrast (WCAG AA passes).

Color values

HEX	#303151
RGB	rgb(48, 49, 81)
HSL	hsl(238, 26%, 25%)
HSV	hsv(238, 41%, 32%)
CMYK	cmyk(40.7%, 39.5%, 0%, 68.2%)
CIE-LAB	lab(21.65, 8.72, -19.69)
CIE-LCH	lch(21.65, 21.54, 293.88°)
OKLab	oklab(32.79% 0.0112 -0.0552)
OKLCH	oklch(32.79% 0.056 281.5)
XYZ	xyz(3.8020, 3.4189, 8.2426)
Luminance	0.0342 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#303151 #515030

analogous

#304151 #303151 #3F3051

triadic

#303151 #513031 #315130

tetradic

#303151 #513041 #515030 #30513F

square

#303151 #513041 #515030 #30513F

split-complementary

#303151 #513F30 #415130

monochromatic

#0B0C13 #191A2B #303151 #474877 #5E5F9E

Accessibility & contrast

On white

12.47

#303151 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#303151 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303151

12.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303151	#FFFFFF	#000000	##FFFFFF
##303151	1.00	12.47	1.68	12.47
#FFFFFF	12.47	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#273552

Deuteranopia (green-blind)

#253350

Tritanopia (blue-blind)

#27373D

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #303151;
/* rgb */ color: rgb(48, 49, 81);
/* oklch */ color: oklch(32.8% 0.056 281.5);

Tailwind

colors: {
  custom: {
    50: '#6a6982',
    500: '#303151',
    950: '#000000',
  },
}

SCSS

$custom: #303151;
$custom-light: #6a6982;
$custom-dark: #000000;

JSON

{
  "hex": "#303151",
  "rgb": {
    "r": 48,
    "g": 49,
    "b": 81
  },
  "hsl": {
    "h": 238.182,
    "s": 25.581,
    "l": 25.294
  },
  "oklch": {
    "l": 0.32787,
    "c": 0.05628,
    "h": 281.5
  },
  "luminance": 0.03419
}

Semantic roles & 50–950 ramp

primary

#303151

secondary

#82815B

accent

#BF66C2

background

#F6F6F7

surface

#EBEBEE

border

#C6C6C9

text

#06060A

muted

#7A7A7C

Preview Lab

Preview with #303151

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

Preview Lab → · Contrast checker → · Palette generator →