#281F95#281F95

#281F95 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.9% C 0.181 H 274.9°. Best body text is #FFFFFF at 12.21:1 contrast (WCAG AA passes).

Color values

HEX	#281F95
RGB	rgb(40, 31, 149)
HSL	hsl(245, 66%, 35%)
HSV	hsv(245, 79%, 58%)
CMYK	cmyk(73.2%, 79.2%, 0%, 41.6%)
CIE-LAB	lab(22.30, 42.34, -62.29)
CIE-LCH	lch(22.30, 75.32, 304.21°)
OKLab	oklab(34.87% 0.0156 -0.1801)
OKLCH	oklch(34.87% 0.181 274.9)
XYZ	xyz(6.7881, 3.6004, 28.7651)
Luminance	0.0360 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281F95 #8C951F

analogous

#1F5195 #281F95 #631F95

triadic

#281F95 #95281F #1F9528

tetradic

#281F95 #951F51 #8C951F #1F9563

square

#281F95 #951F51 #8C951F #1F9563

split-complementary

#281F95 #95631F #51951F

monochromatic

#0D0A30 #1A1462 #281F95 #362AC8 #5E53DB

Accessibility & contrast

On white

12.21

#281F95 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#281F95 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281F95

12.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281F95	#FFFFFF	#000000	##FFFFFF
##281F95	1.00	12.21	1.72	12.21
#FFFFFF	12.21	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B98

Deuteranopia (green-blind)

#003093

Tritanopia (blue-blind)

#004359

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #281f95;
/* rgb */ color: rgb(40, 31, 149);
/* oklch */ color: oklch(34.9% 0.181 274.9);

Tailwind

colors: {
  custom: {
    50: '#745db5',
    500: '#281f95',
    950: '#000000',
  },
}

SCSS

$custom: #281f95;
$custom-light: #745db5;
$custom-dark: #000000;

JSON

{
  "hex": "#281f95",
  "rgb": {
    "r": 40,
    "g": 31,
    "b": 149
  },
  "hsl": {
    "h": 244.576,
    "s": 65.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.34871,
    "c": 0.18081,
    "h": 274.9
  },
  "luminance": 0.03601
}

Semantic roles & 50–950 ramp

primary

#281F95

secondary

#B6BF51

accent

#E93FDC

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #281F95

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

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