#281D69#281D69

#281D69 is a dark, vivid blue. Relative luminance 0.024; OKLCH L 29.9% C 0.126 H 282.2°. Best body text is #FFFFFF at 14.29:1 contrast (WCAG AA passes).

Color values

HEX	#281D69
RGB	rgb(40, 29, 105)
HSL	hsl(249, 57%, 26%)
HSV	hsv(249, 72%, 41%)
CMYK	cmyk(61.9%, 72.4%, 0%, 58.8%)
CIE-LAB	lab(17.22, 28.71, -42.72)
CIE-LCH	lch(17.22, 51.47, 303.90°)
OKLab	oklab(29.87% 0.0267 -0.123)
OKLCH	oklch(29.87% 0.126 282.2)
XYZ	xyz(3.8634, 2.3495, 13.6118)
Luminance	0.0235 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281D69 #5E691D

analogous

#1D3869 #281D69 #4E1D69

triadic

#281D69 #69281D #1D6928

tetradic

#281D69 #691D38 #5E691D #1D694E

square

#281D69 #691D38 #5E691D #1D694E

split-complementary

#281D69 #694E1D #38691D

monochromatic

#090718 #161039 #281D69 #3A2A99 #4D38C8

Accessibility & contrast

On white

14.29

#281D69 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#281D69 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281D69

14.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281D69	#FFFFFF	#000000	##FFFFFF
##281D69	1.00	14.29	1.47	14.29
#FFFFFF	14.29	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D6B

Deuteranopia (green-blind)

#002868

Tritanopia (blue-blind)

#013140

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #281d69;
/* rgb */ color: rgb(40, 29, 105);
/* oklch */ color: oklch(29.9% 0.126 282.2);

Tailwind

colors: {
  custom: {
    50: '#6a5a95',
    500: '#281d69',
    950: '#000000',
  },
}

SCSS

$custom: #281d69;
$custom-light: #6a5a95;
$custom-dark: #000000;

JSON

{
  "hex": "#281d69",
  "rgb": {
    "r": 40,
    "g": 29,
    "b": 105
  },
  "hsl": {
    "h": 248.684,
    "s": 56.716,
    "l": 26.275
  },
  "oklch": {
    "l": 0.29873,
    "c": 0.12586,
    "h": 282.2
  },
  "luminance": 0.0235
}

Semantic roles & 50–950 ramp

primary

#281D69

secondary

#919E44

accent

#E048CA

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07040D

muted

#7A797E

Preview Lab

Preview with #281D69

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

Preview Lab → · Contrast checker → · Palette generator →