#283256#283256

#283256 is a dark, moderate blue. Relative luminance 0.034; OKLCH L 32.7% C 0.065 H 270.7°. Best body text is #FFFFFF at 12.49:1 contrast (WCAG AA passes).

Color values

HEX	#283256
RGB	rgb(40, 50, 86)
HSL	hsl(227, 37%, 25%)
HSV	hsv(227, 53%, 34%)
CMYK	cmyk(53.5%, 41.9%, 0%, 66.3%)
CIE-LAB	lab(21.59, 7.33, -23.15)
CIE-LCH	lch(21.59, 24.28, 287.58°)
OKLab	oklab(32.67% 0.0008 -0.0654)
OKLCH	oklch(32.67% 0.065 270.7)
XYZ	xyz(3.6949, 3.4040, 9.2646)
Luminance	0.0340 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283256 #564C28

analogous

#284956 #283256 #352856

triadic

#283256 #562832 #325628

tetradic

#283256 #562849 #564C28 #285635

square

#283256 #562849 #564C28 #285635

split-complementary

#283256 #563528 #495628

monochromatic

#0A0C15 #151A2C #283256 #3B4A80 #4F63AA

Accessibility & contrast

On white

12.49

#283256 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#283256 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283256

12.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283256	#FFFFFF	#000000	##FFFFFF
##283256	1.00	12.49	1.68	12.49
#FFFFFF	12.49	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#243657

Deuteranopia (green-blind)

#1F3255

Tritanopia (blue-blind)

#153A3F

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #283256;
/* rgb */ color: rgb(40, 50, 86);
/* oklch */ color: oklch(32.7% 0.065 270.7);

Tailwind

colors: {
  custom: {
    50: '#656986',
    500: '#283256',
    950: '#000000',
  },
}

SCSS

$custom: #283256;
$custom-light: #656986;
$custom-dark: #000000;

JSON

{
  "hex": "#283256",
  "rgb": {
    "r": 40,
    "g": 50,
    "b": 86
  },
  "hsl": {
    "h": 226.957,
    "s": 36.508,
    "l": 24.706
  },
  "oklch": {
    "l": 0.32672,
    "c": 0.0654,
    "h": 270.7
  },
  "luminance": 0.03404
}

Semantic roles & 50–950 ramp

primary

#283256

secondary

#897D51

accent

#B45BCD

background

#F6F6F8

surface

#EBEBEF

border

#C6C6CA

text

#06060B

muted

#7A7A7C

Preview Lab

Preview with #283256

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

Preview Lab → · Contrast checker → · Palette generator →