#283142#283142

#283142 is a dark, muted blue. Relative luminance 0.030; OKLCH L 31.2% C 0.033 H 262.9°. Best body text is #FFFFFF at 13.06:1 contrast (WCAG AA passes).

Color values

HEX	#283142
RGB	rgb(40, 49, 66)
HSL	hsl(219, 25%, 21%)
HSV	hsv(219, 39%, 26%)
CMYK	cmyk(39.4%, 25.8%, 0%, 74.1%)
CIE-LAB	lab(20.21, 1.18, -11.88)
CIE-LCH	lch(20.21, 11.94, 275.68°)
OKLab	oklab(31.25% -0.0041 -0.0329)
OKLCH	oklch(31.25% 0.033 262.9)
XYZ	xyz(2.9565, 3.0410, 5.5844)
Luminance	0.0304 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283142 #423928

analogous

#283E42 #283142 #2C2842

triadic

#283142 #422831 #314228

tetradic

#283142 #42283E #423928 #28422C

square

#283142 #42283E #423928 #28422C

split-complementary

#283142 #422C28 #3E4228

monochromatic

#0C0E13 #11151C #283142 #3F4D68 #566A8E

Accessibility & contrast

On white

13.06

#283142 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#283142 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283142

13.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283142	#FFFFFF	#000000	##FFFFFF
##283142	1.00	13.06	1.61	13.06
#FFFFFF	13.06	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B3243

Deuteranopia (green-blind)

#293042

Tritanopia (blue-blind)

#203437

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #283142;
/* rgb */ color: rgb(40, 49, 66);
/* oklch */ color: oklch(31.2% 0.033 262.9);

Tailwind

colors: {
  custom: {
    50: '#636876',
    500: '#283142',
    950: '#000000',
  },
}

SCSS

$custom: #283142;
$custom-light: #636876;
$custom-dark: #000000;

JSON

{
  "hex": "#283142",
  "rgb": {
    "r": 40,
    "g": 49,
    "b": 66
  },
  "hsl": {
    "h": 219.231,
    "s": 24.528,
    "l": 20.784
  },
  "oklch": {
    "l": 0.31246,
    "c": 0.03313,
    "h": 262.9
  },
  "luminance": 0.03041
}

Semantic roles & 50–950 ramp

primary

#283142

secondary

#746852

accent

#A267C1

background

#F5F6F7

surface

#EAEBED

border

#C6C6C8

text

#050608

muted

#797A7B

Preview Lab

Preview with #283142

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

Preview Lab → · Contrast checker → · Palette generator →