#281C68#281C68

#281C68 is a dark, vivid blue. Relative luminance 0.023; OKLCH L 29.6% C 0.126 H 282.7°. Best body text is #FFFFFF at 14.42:1 contrast (WCAG AA passes).

Color values

HEX	#281C68
RGB	rgb(40, 28, 104)
HSL	hsl(249, 58%, 26%)
HSV	hsv(249, 73%, 41%)
CMYK	cmyk(61.5%, 73.1%, 0%, 59.2%)
CIE-LAB	lab(16.90, 28.99, -42.60)
CIE-LCH	lch(16.90, 51.53, 304.24°)
OKLab	oklab(29.61% 0.0278 -0.1227)
OKLCH	oklch(29.61% 0.126 282.7)
XYZ	xyz(3.7882, 2.2809, 13.3346)
Luminance	0.0228 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281C68 #5C681C

analogous

#1C3668 #281C68 #4E1C68

triadic

#281C68 #68281C #1C6828

tetradic

#281C68 #681C36 #5C681C #1C684E

square

#281C68 #681C36 #5C681C #1C684E

split-complementary

#281C68 #684E1C #36681C

monochromatic

#090618 #150F38 #281C68 #3B2998 #4D36C8

Accessibility & contrast

On white

14.42

#281C68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#281C68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281C68

14.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281C68	#FFFFFF	#000000	##FFFFFF
##281C68	1.00	14.42	1.46	14.42
#FFFFFF	14.42	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C6A

Deuteranopia (green-blind)

#002767

Tritanopia (blue-blind)

#03303F

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #281c68;
/* rgb */ color: rgb(40, 28, 104);
/* oklch */ color: oklch(29.6% 0.126 282.7);

Tailwind

colors: {
  custom: {
    50: '#6a5994',
    500: '#281c68',
    950: '#000000',
  },
}

SCSS

$custom: #281c68;
$custom-light: #6a5994;
$custom-dark: #000000;

JSON

{
  "hex": "#281c68",
  "rgb": {
    "r": 40,
    "g": 28,
    "b": 104
  },
  "hsl": {
    "h": 249.474,
    "s": 57.576,
    "l": 25.882
  },
  "oklch": {
    "l": 0.29609,
    "c": 0.12576,
    "h": 282.7
  },
  "luminance": 0.02281
}

Semantic roles & 50–950 ramp

primary

#281C68

secondary

#8F9D43

accent

#E147C9

background

#F6F5F9

surface

#ECE9F1

border

#C7C5CB

text

#07030D

muted

#7A787E

Preview Lab

Preview with #281C68

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

Preview Lab → · Contrast checker → · Palette generator →