#281C67#281C67

#281C67 is a dark, vivid blue. Relative luminance 0.023; OKLCH L 29.5% C 0.124 H 283.0°. Best body text is #FFFFFF at 14.46:1 contrast (WCAG AA passes).

Color values

HEX	#281C67
RGB	rgb(40, 28, 103)
HSL	hsl(250, 57%, 26%)
HSV	hsv(250, 73%, 40%)
CMYK	cmyk(61.2%, 72.8%, 0%, 59.6%)
CIE-LAB	lab(16.80, 28.65, -42.10)
CIE-LCH	lch(16.80, 50.93, 304.24°)
OKLab	oklab(29.51% 0.0279 -0.1212)
OKLCH	oklch(29.51% 0.124 283)
XYZ	xyz(3.7378, 2.2607, 13.0687)
Luminance	0.0226 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281C67 #5B671C

analogous

#1C3567 #281C67 #4D1C67

triadic

#281C67 #67281C #1C6728

tetradic

#281C67 #671C35 #5B671C #1C674D

square

#281C67 #671C35 #5B671C #1C674D

split-complementary

#281C67 #674D1C #35671C

monochromatic

#090718 #150F37 #281C67 #3B2997 #4D36C7

Accessibility & contrast

On white

14.46

#281C67 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#281C67 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281C67

14.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281C67	#FFFFFF	#000000	##FFFFFF
##281C67	1.00	14.46	1.45	14.46
#FFFFFF	14.46	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C69

Deuteranopia (green-blind)

#002766

Tritanopia (blue-blind)

#05303F

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #281c67;
/* rgb */ color: rgb(40, 28, 103);
/* oklch */ color: oklch(29.5% 0.124 283.0);

Tailwind

colors: {
  custom: {
    50: '#6a5993',
    500: '#281c67',
    950: '#000000',
  },
}

SCSS

$custom: #281c67;
$custom-light: #6a5993;
$custom-dark: #000000;

JSON

{
  "hex": "#281c67",
  "rgb": {
    "r": 40,
    "g": 28,
    "b": 103
  },
  "hsl": {
    "h": 249.6,
    "s": 57.252,
    "l": 25.686
  },
  "oklch": {
    "l": 0.29509,
    "c": 0.12438,
    "h": 283
  },
  "luminance": 0.02261
}

Semantic roles & 50–950 ramp

primary

#281C67

secondary

#8E9C43

accent

#E147C8

background

#F6F5F9

surface

#ECE9F1

border

#C7C5CB

text

#07030D

muted

#7A787E

Preview Lab

Preview with #281C67

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

Preview Lab → · Contrast checker → · Palette generator →