#283572#283572

#283572 is a dark, moderate blue. Relative luminance 0.042; OKLCH L 35.4% C 0.106 H 271.0°. Best body text is #FFFFFF at 11.40:1 contrast (WCAG AA passes).

Color values

HEX	#283572
RGB	rgb(40, 53, 114)
HSL	hsl(229, 48%, 30%)
HSV	hsv(229, 65%, 45%)
CMYK	cmyk(64.9%, 53.5%, 0%, 55.3%)
CIE-LAB	lab(24.36, 15.66, -36.95)
CIE-LCH	lch(24.36, 40.13, 292.97°)
OKLab	oklab(35.38% 0.0019 -0.1059)
OKLCH	oklch(35.38% 0.106 271)
XYZ	xyz(5.1844, 4.2118, 16.4561)
Luminance	0.0421 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283572 #726528

analogous

#285A72 #283572 #402872

triadic

#283572 #722835 #357228

tetradic

#283572 #72285A #726528 #287240

square

#283572 #72285A #726528 #287240

split-complementary

#283572 #724028 #5A7228

monochromatic

#080B17 #182045 #283572 #384A9F #5266C2

Accessibility & contrast

On white

11.40

#283572 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#283572 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283572

11.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283572	#FFFFFF	#000000	##FFFFFF
##283572	1.00	11.40	1.84	11.40
#FFFFFF	11.40	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#123D74

Deuteranopia (green-blind)

#003771

Tritanopia (blue-blind)

#00434E

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #283572;
/* rgb */ color: rgb(40, 53, 114);
/* oklch */ color: oklch(35.4% 0.106 271.0);

Tailwind

colors: {
  custom: {
    50: '#6a6b9b',
    500: '#283572',
    950: '#000000',
  },
}

SCSS

$custom: #283572;
$custom-light: #6a6b9b;
$custom-dark: #000000;

JSON

{
  "hex": "#283572",
  "rgb": {
    "r": 40,
    "g": 53,
    "b": 114
  },
  "hsl": {
    "h": 229.459,
    "s": 48.052,
    "l": 30.196
  },
  "oklch": {
    "l": 0.35381,
    "c": 0.10588,
    "h": 271
  },
  "luminance": 0.04212
}

Semantic roles & 50–950 ramp

primary

#283572

secondary

#A49652

accent

#C050D8

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07060E

muted

#7A7A7E

Preview Lab

Preview with #283572

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

Preview Lab → · Contrast checker → · Palette generator →