#283156#283156

#283156 is a dark, moderate blue. Relative luminance 0.033; OKLCH L 32.4% C 0.067 H 271.9°. Best body text is #FFFFFF at 12.62:1 contrast (WCAG AA passes).

Color values

HEX	#283156
RGB	rgb(40, 49, 86)
HSL	hsl(228, 37%, 25%)
HSV	hsv(228, 53%, 34%)
CMYK	cmyk(53.5%, 43%, 0%, 66.3%)
CIE-LAB	lab(21.28, 8.04, -23.65)
CIE-LCH	lch(21.28, 24.98, 288.78°)
OKLab	oklab(32.43% 0.0022 -0.0669)
OKLCH	oklch(32.43% 0.067 271.9)
XYZ	xyz(3.6526, 3.3194, 9.2505)
Luminance	0.0332 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283156 #564D28

analogous

#284856 #283156 #362856

triadic

#283156 #562831 #315628

tetradic

#283156 #562848 #564D28 #285636

square

#283156 #562848 #564D28 #285636

split-complementary

#283156 #563628 #485628

monochromatic

#0A0C15 #15192C #283156 #3B4980 #4F61AA

Accessibility & contrast

On white

12.62

#283156 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#283156 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283156

12.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283156	#FFFFFF	#000000	##FFFFFF
##283156	1.00	12.62	1.66	12.62
#FFFFFF	12.62	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#233557

Deuteranopia (green-blind)

#1E3155

Tritanopia (blue-blind)

#15393F

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #283156;
/* rgb */ color: rgb(40, 49, 86);
/* oklch */ color: oklch(32.4% 0.067 271.9);

Tailwind

colors: {
  custom: {
    50: '#656886',
    500: '#283156',
    950: '#000000',
  },
}

SCSS

$custom: #283156;
$custom-light: #656886;
$custom-dark: #000000;

JSON

{
  "hex": "#283156",
  "rgb": {
    "r": 40,
    "g": 49,
    "b": 86
  },
  "hsl": {
    "h": 228.261,
    "s": 36.508,
    "l": 24.706
  },
  "oklch": {
    "l": 0.3243,
    "c": 0.0669,
    "h": 271.9
  },
  "luminance": 0.0332
}

Semantic roles & 50–950 ramp

primary

#283156

secondary

#897E51

accent

#B65BCD

background

#F6F6F8

surface

#EBEBEF

border

#C6C6CA

text

#06060B

muted

#7A7A7C

Preview Lab

Preview with #283156

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

Preview Lab → · Contrast checker → · Palette generator →