#281C85#281C85

#281C85 is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.7% C 0.164 H 277.4°. Best body text is #FFFFFF at 13.17:1 contrast (WCAG AA passes).

Color values

HEX	#281C85
RGB	rgb(40, 28, 133)
HSL	hsl(247, 65%, 32%)
HSV	hsv(247, 79%, 52%)
CMYK	cmyk(69.9%, 78.9%, 0%, 47.8%)
CIE-LAB	lab(19.94, 38.74, -56.22)
CIE-LCH	lch(19.94, 68.27, 304.57°)
OKLab	oklab(32.68% 0.0211 -0.1624)
OKLCH	oklch(32.68% 0.164 277.4)
XYZ	xyz(5.5226, 2.9746, 22.4689)
Luminance	0.0297 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281C85 #79851C

analogous

#1C4585 #281C85 #5D1C85

triadic

#281C85 #85281C #1C8528

tetradic

#281C85 #851C45 #79851C #1C855D

square

#281C85 #851C45 #79851C #1C855D

split-complementary

#281C85 #855D1C #45851C

monochromatic

#0A0720 #191152 #281C85 #3727B8 #5544D8

Accessibility & contrast

On white

13.17

#281C85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#281C85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281C85

13.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281C85	#FFFFFF	#000000	##FFFFFF
##281C85	1.00	13.17	1.60	13.17
#FFFFFF	13.17	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003488

Deuteranopia (green-blind)

#002C83

Tritanopia (blue-blind)

#003B50

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #281c85;
/* rgb */ color: rgb(40, 28, 133);
/* oklch */ color: oklch(32.7% 0.164 277.4);

Tailwind

colors: {
  custom: {
    50: '#715baa',
    500: '#281c85',
    950: '#000000',
  },
}

SCSS

$custom: #281c85;
$custom-light: #715baa;
$custom-dark: #000000;

JSON

{
  "hex": "#281c85",
  "rgb": {
    "r": 40,
    "g": 28,
    "b": 133
  },
  "hsl": {
    "h": 246.857,
    "s": 65.217,
    "l": 31.569
  },
  "oklch": {
    "l": 0.32684,
    "c": 0.16381,
    "h": 277.4
  },
  "luminance": 0.02975
}

Semantic roles & 50–950 ramp

primary

#281C85

secondary

#ABB845

accent

#E840D5

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #281C85

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

Preview Lab → · Contrast checker → · Palette generator →