#281880#281880

#281880 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.6% C 0.161 H 278.8°. Best body text is #FFFFFF at 13.70:1 contrast (WCAG AA passes).

Color values

HEX	#281880
RGB	rgb(40, 24, 128)
HSL	hsl(249, 68%, 30%)
HSV	hsv(249, 81%, 50%)
CMYK	cmyk(68.8%, 81.3%, 0%, 49.8%)
CIE-LAB	lab(18.64, 39.24, -55.21)
CIE-LCH	lch(18.64, 67.74, 305.41°)
OKLab	oklab(31.61% 0.0247 -0.1595)
OKLCH	oklch(31.61% 0.161 278.8)
XYZ	xyz(5.0967, 2.6625, 20.6632)
Luminance	0.0266 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281880 #708018

analogous

#183C80 #281880 #5C1880

triadic

#281880 #802818 #188028

tetradic

#281880 #80183C #708018 #18805C

square

#281880 #80183C #708018 #18805C

split-complementary

#281880 #805C18 #3C8018

monochromatic

#08051A #180E4C #281880 #3822B4 #5139DA

Accessibility & contrast

On white

13.70

#281880 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#281880 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281880

13.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281880	#FFFFFF	#000000	##FFFFFF
##281880	1.00	13.70	1.53	13.70
#FFFFFF	13.70	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003183

Deuteranopia (green-blind)

#00297E

Tritanopia (blue-blind)

#00374C

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #281880;
/* rgb */ color: rgb(40, 24, 128);
/* oklch */ color: oklch(31.6% 0.161 278.8);

Tailwind

colors: {
  custom: {
    50: '#7058a6',
    500: '#281880',
    950: '#000000',
  },
}

SCSS

$custom: #281880;
$custom-light: #7058a6;
$custom-dark: #000000;

JSON

{
  "hex": "#281880",
  "rgb": {
    "r": 40,
    "g": 24,
    "b": 128
  },
  "hsl": {
    "h": 249.231,
    "s": 68.421,
    "l": 29.804
  },
  "oklch": {
    "l": 0.31606,
    "c": 0.16136,
    "h": 278.8
  },
  "luminance": 0.02663
}

Semantic roles & 50–950 ramp

primary

#281880

secondary

#A2B440

accent

#EB3DD0

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#09030F

muted

#7B787F

Preview Lab

Preview with #281880

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

Preview Lab → · Contrast checker → · Palette generator →