#283141#283141

#283141 is a dark, muted blue. Relative luminance 0.030; OKLCH L 31.2% C 0.031 H 261.8°. Best body text is #FFFFFF at 13.08:1 contrast (WCAG AA passes).

Color values

HEX	#283141
RGB	rgb(40, 49, 65)
HSL	hsl(218, 24%, 21%)
HSV	hsv(218, 38%, 25%)
CMYK	cmyk(38.5%, 24.6%, 0%, 74.5%)
CIE-LAB	lab(20.16, 0.86, -11.27)
CIE-LCH	lch(20.16, 11.31, 274.36°)
OKLab	oklab(31.19% -0.0045 -0.0311)
OKLCH	oklch(31.19% 0.031 261.8)
XYZ	xyz(2.9272, 3.0293, 5.4305)
Luminance	0.0303 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283141 #413828

analogous

#283D41 #283141 #2B2841

triadic

#283141 #412831 #314128

tetradic

#283141 #41283D #413828 #28412B

square

#283141 #41283D #413828 #28412B

split-complementary

#283141 #412B28 #3D4128

monochromatic

#0C0E13 #11141B #283141 #3F4E67 #576A8D

Accessibility & contrast

On white

13.08

#283141 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#283141 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283141

13.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283141	#FFFFFF	#000000	##FFFFFF
##283141	1.00	13.08	1.61	13.08
#FFFFFF	13.08	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C3242

Deuteranopia (green-blind)

#293041

Tritanopia (blue-blind)

#213436

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #283141;
/* rgb */ color: rgb(40, 49, 65);
/* oklch */ color: oklch(31.2% 0.031 261.8);

Tailwind

colors: {
  custom: {
    50: '#636875',
    500: '#283141',
    950: '#000000',
  },
}

SCSS

$custom: #283141;
$custom-light: #636875;
$custom-dark: #000000;

JSON

{
  "hex": "#283141",
  "rgb": {
    "r": 40,
    "g": 49,
    "b": 65
  },
  "hsl": {
    "h": 218.4,
    "s": 23.81,
    "l": 20.588
  },
  "oklch": {
    "l": 0.31194,
    "c": 0.03147,
    "h": 261.8
  },
  "luminance": 0.03029
}

Semantic roles & 50–950 ramp

primary

#283141

secondary

#736752

accent

#A068C0

background

#F5F6F7

surface

#EAEBED

border

#C6C6C8

text

#050608

muted

#797A7B

Preview Lab

Preview with #283141

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

Preview Lab → · Contrast checker → · Palette generator →