#281F93#281F93

#281F93 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.6% C 0.178 H 275.2°. Best body text is #FFFFFF at 12.30:1 contrast (WCAG AA passes).

Color values

HEX	#281F93
RGB	rgb(40, 31, 147)
HSL	hsl(245, 65%, 35%)
HSV	hsv(245, 79%, 58%)
CMYK	cmyk(72.8%, 78.9%, 0%, 42.4%)
CIE-LAB	lab(22.08, 41.69, -61.43)
CIE-LCH	lch(22.08, 74.24, 304.17°)
OKLab	oklab(34.65% 0.0161 -0.1776)
OKLCH	oklch(34.65% 0.178 275.2)
XYZ	xyz(6.6298, 3.5370, 27.9314)
Luminance	0.0354 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281F93 #8A931F

analogous

#1F5093 #281F93 #621F93

triadic

#281F93 #93281F #1F9328

tetradic

#281F93 #931F50 #8A931F #1F9362

square

#281F93 #931F50 #8A931F #1F9362

split-complementary

#281F93 #93621F #50931F

monochromatic

#0C0A2E #1A1460 #281F93 #362AC6 #5D52DA

Accessibility & contrast

On white

12.30

#281F93 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#281F93 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281F93

12.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281F93	#FFFFFF	#000000	##FFFFFF
##281F93	1.00	12.30	1.71	12.30
#FFFFFF	12.30	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A96

Deuteranopia (green-blind)

#003091

Tritanopia (blue-blind)

#004258

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #281f93;
/* rgb */ color: rgb(40, 31, 147);
/* oklch */ color: oklch(34.6% 0.178 275.2);

Tailwind

colors: {
  custom: {
    50: '#745db4',
    500: '#281f93',
    950: '#000000',
  },
}

SCSS

$custom: #281f93;
$custom-light: #745db4;
$custom-dark: #000000;

JSON

{
  "hex": "#281f93",
  "rgb": {
    "r": 40,
    "g": 31,
    "b": 147
  },
  "hsl": {
    "h": 244.655,
    "s": 65.169,
    "l": 34.902
  },
  "oklch": {
    "l": 0.34646,
    "c": 0.17836,
    "h": 275.2
  },
  "luminance": 0.03538
}

Semantic roles & 50–950 ramp

primary

#281F93

secondary

#B5BE50

accent

#E840DB

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #281F93

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

Preview Lab → · Contrast checker → · Palette generator →