#281D76#281D76

#281D76 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.2% C 0.143 H 279.7°. Best body text is #FFFFFF at 13.75:1 contrast (WCAG AA passes).

Color values

HEX	#281D76
RGB	rgb(40, 29, 118)
HSL	hsl(247, 61%, 29%)
HSV	hsv(247, 75%, 46%)
CMYK	cmyk(66.1%, 75.4%, 0%, 53.7%)
CIE-LAB	lab(18.53, 33.16, -49.01)
CIE-LCH	lch(18.53, 59.17, 304.08°)
OKLab	oklab(31.2% 0.0241 -0.1414)
OKLCH	oklch(31.2% 0.143 279.7)
XYZ	xyz(4.5834, 2.6375, 17.4036)
Luminance	0.0264 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281D76 #6B761D

analogous

#1D3F76 #281D76 #551D76

triadic

#281D76 #76281D #1D7628

tetradic

#281D76 #761D3F #6B761D #1D7655

square

#281D76 #761D3F #6B761D #1D7655

split-complementary

#281D76 #76551D #3F761D

monochromatic

#080619 #171145 #281D76 #3929A7 #503ED0

Accessibility & contrast

On white

13.75

#281D76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#281D76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281D76

13.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281D76	#FFFFFF	#000000	##FFFFFF
##281D76	1.00	13.75	1.53	13.75
#FFFFFF	13.75	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003079

Deuteranopia (green-blind)

#002A74

Tritanopia (blue-blind)

#003647

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #281d76;
/* rgb */ color: rgb(40, 29, 118);
/* oklch */ color: oklch(31.2% 0.143 279.7);

Tailwind

colors: {
  custom: {
    50: '#6d5a9e',
    500: '#281d76',
    950: '#000000',
  },
}

SCSS

$custom: #281d76;
$custom-light: #6d5a9e;
$custom-dark: #000000;

JSON

{
  "hex": "#281d76",
  "rgb": {
    "r": 40,
    "g": 29,
    "b": 118
  },
  "hsl": {
    "h": 247.416,
    "s": 60.544,
    "l": 28.824
  },
  "oklch": {
    "l": 0.31203,
    "c": 0.14344,
    "h": 279.7
  },
  "luminance": 0.02638
}

Semantic roles & 50–950 ramp

primary

#281D76

secondary

#9DAA45

accent

#E444D0

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040E

muted

#7B797E

Preview Lab

Preview with #281D76

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

Preview Lab → · Contrast checker → · Palette generator →