#281B95#281B95

#281B95 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.4% C 0.184 H 275.4°. Best body text is #FFFFFF at 12.49:1 contrast (WCAG AA passes).

Color values

HEX	#281B95
RGB	rgb(40, 27, 149)
HSL	hsl(246, 69%, 35%)
HSV	hsv(246, 82%, 58%)
CMYK	cmyk(73.2%, 81.9%, 0%, 41.6%)
CIE-LAB	lab(21.60, 44.39, -63.46)
CIE-LCH	lch(21.60, 77.45, 304.97°)
OKLab	oklab(34.38% 0.0173 -0.1835)
OKLCH	oklch(34.38% 0.184 275.4)
XYZ	xyz(6.6900, 3.4043, 28.7325)
Luminance	0.0340 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281B95 #88951B

analogous

#1B4B95 #281B95 #651B95

triadic

#281B95 #95281B #1B9528

tetradic

#281B95 #951B4B #88951B #1B9565

square

#281B95 #951B4B #88951B #1B9565

split-complementary

#281B95 #95651B #4B951B

monochromatic

#0C082D #1A1261 #281B95 #3624C9 #5B4CDF

Accessibility & contrast

On white

12.49

#281B95 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#281B95 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281B95

12.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281B95	#FFFFFF	#000000	##FFFFFF
##281B95	1.00	12.49	1.68	12.49
#FFFFFF	12.49	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003998

Deuteranopia (green-blind)

#002E93

Tritanopia (blue-blind)

#004159

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #281b95;
/* rgb */ color: rgb(40, 27, 149);
/* oklch */ color: oklch(34.4% 0.184 275.4);

Tailwind

colors: {
  custom: {
    50: '#755bb5',
    500: '#281b95',
    950: '#000000',
  },
}

SCSS

$custom: #281b95;
$custom-light: #755bb5;
$custom-dark: #000000;

JSON

{
  "hex": "#281b95",
  "rgb": {
    "r": 40,
    "g": 27,
    "b": 149
  },
  "hsl": {
    "h": 246.393,
    "s": 69.318,
    "l": 34.51
  },
  "oklch": {
    "l": 0.34377,
    "c": 0.1843,
    "h": 275.4
  },
  "luminance": 0.03405
}

Semantic roles & 50–950 ramp

primary

#281B95

secondary

#B4C14B

accent

#EC3CD9

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #281B95

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

Preview Lab → · Contrast checker → · Palette generator →