#281D6A#281D6A

#281D6A is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.0% C 0.127 H 282.0°. Best body text is #FFFFFF at 14.25:1 contrast (WCAG AA passes).

Color values

HEX	#281D6A
RGB	rgb(40, 29, 106)
HSL	hsl(249, 57%, 26%)
HSV	hsv(249, 73%, 42%)
CMYK	cmyk(62.3%, 72.6%, 0%, 58.4%)
CIE-LAB	lab(17.32, 29.05, -43.22)
CIE-LCH	lch(17.32, 52.07, 303.91°)
OKLab	oklab(29.97% 0.0265 -0.1245)
OKLCH	oklch(29.97% 0.127 282)
XYZ	xyz(3.9151, 2.3702, 13.8841)
Luminance	0.0237 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281D6A #5F6A1D

analogous

#1D396A #281D6A #4F1D6A

triadic

#281D6A #6A281D #1D6A28

tetradic

#281D6A #6A1D39 #5F6A1D #1D6A4F

square

#281D6A #6A1D39 #5F6A1D #1D6A4F

split-complementary

#281D6A #6A4F1D #396A1D

monochromatic

#090718 #16103A #281D6A #3A2A9A #4D39C9

Accessibility & contrast

On white

14.25

#281D6A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#281D6A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281D6A

14.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281D6A	#FFFFFF	#000000	##FFFFFF
##281D6A	1.00	14.25	1.47	14.25
#FFFFFF	14.25	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D6C

Deuteranopia (green-blind)

#002869

Tritanopia (blue-blind)

#003141

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #281d6a;
/* rgb */ color: rgb(40, 29, 106);
/* oklch */ color: oklch(30.0% 0.127 282.0);

Tailwind

colors: {
  custom: {
    50: '#6b5a95',
    500: '#281d6a',
    950: '#000000',
  },
}

SCSS

$custom: #281d6a;
$custom-light: #6b5a95;
$custom-dark: #000000;

JSON

{
  "hex": "#281d6a",
  "rgb": {
    "r": 40,
    "g": 29,
    "b": 106
  },
  "hsl": {
    "h": 248.571,
    "s": 57.037,
    "l": 26.471
  },
  "oklch": {
    "l": 0.29973,
    "c": 0.12724,
    "h": 282
  },
  "luminance": 0.0237
}

Semantic roles & 50–950 ramp

primary

#281D6A

secondary

#929F44

accent

#E048CA

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07040D

muted

#7A797E

Preview Lab

Preview with #281D6A

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

Preview Lab → · Contrast checker → · Palette generator →