#282F64#282F64

#282F64 is a dark, moderate blue. Relative luminance 0.034; OKLCH L 33.0% C 0.093 H 274.5°. Best body text is #FFFFFF at 12.49:1 contrast (WCAG AA passes).

Color values

HEX	#282F64
RGB	rgb(40, 47, 100)
HSL	hsl(233, 43%, 27%)
HSV	hsv(233, 60%, 39%)
CMYK	cmyk(60%, 53%, 0%, 60.8%)
CIE-LAB	lab(21.59, 14.60, -32.36)
CIE-LCH	lch(21.59, 35.50, 294.29°)
OKLab	oklab(32.97% 0.0073 -0.0924)
OKLCH	oklch(32.97% 0.093 274.5)
XYZ	xyz(4.1911, 3.4039, 12.4903)
Luminance	0.0340 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282F64 #645D28

analogous

#284D64 #282F64 #3F2864

triadic

#282F64 #64282F #2F6428

tetradic

#282F64 #64284D #645D28 #28643F

square

#282F64 #64284D #645D28 #28643F

split-complementary

#282F64 #643F28 #4D6428

monochromatic

#090A16 #171A38 #282F64 #394490 #4E5BB8

Accessibility & contrast

On white

12.49

#282F64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#282F64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282F64

12.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282F64	#FFFFFF	#000000	##FFFFFF
##282F64	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)

#143666

Deuteranopia (green-blind)

#0B3163

Tritanopia (blue-blind)

#063B44

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #282f64;
/* rgb */ color: rgb(40, 47, 100);
/* oklch */ color: oklch(33.0% 0.093 274.5);

Tailwind

colors: {
  custom: {
    50: '#686790',
    500: '#282f64',
    950: '#000000',
  },
}

SCSS

$custom: #282f64;
$custom-light: #686790;
$custom-dark: #000000;

JSON

{
  "hex": "#282f64",
  "rgb": {
    "r": 40,
    "g": 47,
    "b": 100
  },
  "hsl": {
    "h": 233,
    "s": 42.857,
    "l": 27.451
  },
  "oklch": {
    "l": 0.32968,
    "c": 0.09272,
    "h": 274.5
  },
  "luminance": 0.03404
}

Semantic roles & 50–950 ramp

primary

#282F64

secondary

#978F51

accent

#C455D3

background

#F6F6F8

surface

#EBEBF0

border

#C6C6CB

text

#06060C

muted

#7A7A7D

Preview Lab

Preview with #282F64

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

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