#281C6B#281C6B

#281C6B is a dark, vivid blue. Relative luminance 0.023; OKLCH L 29.9% C 0.130 H 282.1°. Best body text is #FFFFFF at 14.30:1 contrast (WCAG AA passes).

Color values

HEX	#281C6B
RGB	rgb(40, 28, 107)
HSL	hsl(249, 59%, 26%)
HSV	hsv(249, 74%, 42%)
CMYK	cmyk(62.6%, 73.8%, 0%, 58%)
CIE-LAB	lab(17.19, 30.02, -44.08)
CIE-LCH	lch(17.19, 53.33, 304.26°)
OKLab	oklab(29.91% 0.0272 -0.127)
OKLCH	oklch(29.91% 0.13 282.1)
XYZ	xyz(3.9433, 2.3429, 14.1515)
Luminance	0.0234 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281C6B #5F6B1C

analogous

#1C386B #281C6B #501C6B

triadic

#281C6B #6B281C #1C6B28

tetradic

#281C6B #6B1C38 #5F6B1C #1C6B50

square

#281C6B #6B1C38 #5F6B1C #1C6B50

split-complementary

#281C6B #6B501C #386B1C

monochromatic

#090618 #160F3A #281C6B #3A299C #4D37CB

Accessibility & contrast

On white

14.30

#281C6B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#281C6B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281C6B

14.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281C6B	#FFFFFF	#000000	##FFFFFF
##281C6B	1.00	14.30	1.47	14.30
#FFFFFF	14.30	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D6D

Deuteranopia (green-blind)

#00276A

Tritanopia (blue-blind)

#003141

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #281c6b;
/* rgb */ color: rgb(40, 28, 107);
/* oklch */ color: oklch(29.9% 0.130 282.1);

Tailwind

colors: {
  custom: {
    50: '#6b5996',
    500: '#281c6b',
    950: '#000000',
  },
}

SCSS

$custom: #281c6b;
$custom-light: #6b5996;
$custom-dark: #000000;

JSON

{
  "hex": "#281c6b",
  "rgb": {
    "r": 40,
    "g": 28,
    "b": 107
  },
  "hsl": {
    "h": 249.114,
    "s": 58.519,
    "l": 26.471
  },
  "oklch": {
    "l": 0.29911,
    "c": 0.12986,
    "h": 282.1
  },
  "luminance": 0.02343
}

Semantic roles & 50–950 ramp

primary

#281C6B

secondary

#92A043

accent

#E246CA

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030D

muted

#7A787E

Preview Lab

Preview with #281C6B

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

Preview Lab → · Contrast checker → · Palette generator →