#303243#303243

#303243 is a dark, muted blue. Relative luminance 0.033; OKLCH L 32.3% C 0.030 H 279.3°. Best body text is #FFFFFF at 12.63:1 contrast (WCAG AA passes).

Color values

HEX	#303243
RGB	rgb(48, 50, 67)
HSL	hsl(234, 17%, 23%)
HSV	hsv(234, 28%, 26%)
CMYK	cmyk(28.4%, 25.4%, 0%, 73.7%)
CIE-LAB	lab(21.26, 3.68, -10.88)
CIE-LCH	lch(21.26, 11.49, 288.70°)
OKLab	oklab(32.26% 0.0049 -0.0299)
OKLCH	oklch(32.26% 0.03 279.3)
XYZ	xyz(3.3724, 3.3148, 5.7712)
Luminance	0.0331 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#303243 #434130

analogous

#303C43 #303243 #373043

triadic

#303243 #433032 #324330

tetradic

#303243 #43303C #434130 #304337

square

#303243 #43303C #434130 #304337

split-complementary

#303243 #433730 #3C4330

monochromatic

#0D0D12 #16171F #303243 #4A4D67 #63678A

Accessibility & contrast

On white

12.63

#303243 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#303243 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303243

12.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303243	#FFFFFF	#000000	##FFFFFF
##303243	1.00	12.63	1.66	12.63
#FFFFFF	12.63	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D3444

Deuteranopia (green-blind)

#2C3243

Tritanopia (blue-blind)

#2B3538

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #303243;
/* rgb */ color: rgb(48, 50, 67);
/* oklch */ color: oklch(32.3% 0.030 279.3);

Tailwind

colors: {
  custom: {
    50: '#686977',
    500: '#303243',
    950: '#000000',
  },
}

SCSS

$custom: #303243;
$custom-light: #686977;
$custom-dark: #000000;

JSON

{
  "hex": "#303243",
  "rgb": {
    "r": 48,
    "g": 50,
    "b": 67
  },
  "hsl": {
    "h": 233.684,
    "s": 16.522,
    "l": 22.549
  },
  "oklch": {
    "l": 0.32258,
    "c": 0.03031,
    "h": 279.3
  },
  "luminance": 0.03315
}

Semantic roles & 50–950 ramp

primary

#303243

secondary

#73715B

accent

#B16FB9

background

#F6F6F7

surface

#EBEBED

border

#C6C6C8

text

#060608

muted

#7A7A7B

Preview Lab

Preview with #303243

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

Preview Lab → · Contrast checker → · Palette generator →