#283676#283676

#283676 is a dark, moderate blue. Relative luminance 0.044; OKLCH L 35.9% C 0.111 H 270.6°. Best body text is #FFFFFF at 11.17:1 contrast (WCAG AA passes).

Color values

HEX	#283676
RGB	rgb(40, 54, 118)
HSL	hsl(229, 49%, 31%)
HSV	hsv(229, 66%, 46%)
CMYK	cmyk(66.1%, 54.2%, 0%, 53.7%)
CIE-LAB	lab(24.94, 16.49, -38.56)
CIE-LCH	lch(24.94, 41.93, 293.15°)
OKLab	oklab(35.92% 0.0012 -0.1106)
OKLCH	oklch(35.92% 0.111 270.6)
XYZ	xyz(5.4632, 4.3970, 17.6968)
Luminance	0.0440 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283676 #766828

analogous

#285D76 #283676 #412876

triadic

#283676 #762836 #367628

tetradic

#283676 #76285D #766828 #287641

square

#283676 #76285D #766828 #287641

split-complementary

#283676 #764128 #5D7628

monochromatic

#090C1B #192148 #283676 #374BA4 #5468C5

Accessibility & contrast

On white

11.17

#283676 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#283676 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283676

11.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283676	#FFFFFF	#000000	##FFFFFF
##283676	1.00	11.17	1.88	11.17
#FFFFFF	11.17	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F3F78

Deuteranopia (green-blind)

#003875

Tritanopia (blue-blind)

#004550

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #283676;
/* rgb */ color: rgb(40, 54, 118);
/* oklch */ color: oklch(35.9% 0.111 270.6);

Tailwind

colors: {
  custom: {
    50: '#6b6c9e',
    500: '#283676',
    950: '#000000',
  },
}

SCSS

$custom: #283676;
$custom-light: #6b6c9e;
$custom-dark: #000000;

JSON

{
  "hex": "#283676",
  "rgb": {
    "r": 40,
    "g": 54,
    "b": 118
  },
  "hsl": {
    "h": 229.231,
    "s": 49.367,
    "l": 30.98
  },
  "oklch": {
    "l": 0.35915,
    "c": 0.11059,
    "h": 270.6
  },
  "luminance": 0.04397
}

Semantic roles & 50–950 ramp

primary

#283676

secondary

#A89952

accent

#C04FD9

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #283676

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

Preview Lab → · Contrast checker → · Palette generator →