#283576#283576

#283576 is a dark, moderate blue. Relative luminance 0.043; OKLCH L 35.7% C 0.112 H 271.1°. Best body text is #FFFFFF at 11.28:1 contrast (WCAG AA passes).

Color values

HEX	#283576
RGB	rgb(40, 53, 118)
HSL	hsl(230, 49%, 31%)
HSV	hsv(230, 66%, 46%)
CMYK	cmyk(66.1%, 55.1%, 0%, 53.7%)
CIE-LAB	lab(24.65, 17.18, -39.02)
CIE-LCH	lch(24.65, 42.64, 293.77°)
OKLab	oklab(35.7% 0.0022 -0.112)
OKLCH	oklch(35.7% 0.112 271.1)
XYZ	xyz(5.4171, 4.3049, 17.6815)
Luminance	0.0430 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283576 #766928

analogous

#285C76 #283576 #422876

triadic

#283576 #762835 #357628

tetradic

#283576 #76285C #766928 #287642

square

#283576 #76285C #766928 #287642

split-complementary

#283576 #764228 #5C7628

monochromatic

#090C1B #192048 #283576 #374AA4 #5466C5

Accessibility & contrast

On white

11.28

#283576 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#283576 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283576

11.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283576	#FFFFFF	#000000	##FFFFFF
##283576	1.00	11.28	1.86	11.28
#FFFFFF	11.28	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C3E78

Deuteranopia (green-blind)

#003775

Tritanopia (blue-blind)

#004450

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #283576;
/* rgb */ color: rgb(40, 53, 118);
/* oklch */ color: oklch(35.7% 0.112 271.1);

Tailwind

colors: {
  custom: {
    50: '#6b6c9e',
    500: '#283576',
    950: '#000000',
  },
}

SCSS

$custom: #283576;
$custom-light: #6b6c9e;
$custom-dark: #000000;

JSON

{
  "hex": "#283576",
  "rgb": {
    "r": 40,
    "g": 53,
    "b": 118
  },
  "hsl": {
    "h": 230,
    "s": 49.367,
    "l": 30.98
  },
  "oklch": {
    "l": 0.35698,
    "c": 0.11198,
    "h": 271.1
  },
  "luminance": 0.04305
}

Semantic roles & 50–950 ramp

primary

#283576

secondary

#A89A52

accent

#C24FD9

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07060E

muted

#7A7A7E

Preview Lab

Preview with #283576

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

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