#281E93#281E93

#281E93 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.5% C 0.179 H 275.3°. Best body text is #FFFFFF at 12.37:1 contrast (WCAG AA passes).

Color values

HEX	#281E93
RGB	rgb(40, 30, 147)
HSL	hsl(245, 66%, 35%)
HSV	hsv(245, 80%, 58%)
CMYK	cmyk(72.8%, 79.6%, 0%, 42.4%)
CIE-LAB	lab(21.89, 42.23, -61.73)
CIE-LCH	lch(21.89, 74.79, 304.37°)
OKLab	oklab(34.52% 0.0165 -0.1785)
OKLCH	oklch(34.52% 0.179 275.3)
XYZ	xyz(6.6041, 3.4856, 27.9229)
Luminance	0.0349 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281E93 #89931E

analogous

#1E4F93 #281E93 #621E93

triadic

#281E93 #93281E #1E9328

tetradic

#281E93 #931E4F #89931E #1E9362

square

#281E93 #931E4F #89931E #1E9362

split-complementary

#281E93 #93621E #4F931E

monochromatic

#0C092D #1A1460 #281E93 #3628C6 #5C50DB

Accessibility & contrast

On white

12.37

#281E93 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#281E93 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281E93

12.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281E93	#FFFFFF	#000000	##FFFFFF
##281E93	1.00	12.37	1.70	12.37
#FFFFFF	12.37	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003996

Deuteranopia (green-blind)

#002F91

Tritanopia (blue-blind)

#004158

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #281e93;
/* rgb */ color: rgb(40, 30, 147);
/* oklch */ color: oklch(34.5% 0.179 275.3);

Tailwind

colors: {
  custom: {
    50: '#745db4',
    500: '#281e93',
    950: '#000000',
  },
}

SCSS

$custom: #281e93;
$custom-light: #745db4;
$custom-dark: #000000;

JSON

{
  "hex": "#281e93",
  "rgb": {
    "r": 40,
    "g": 30,
    "b": 147
  },
  "hsl": {
    "h": 245.128,
    "s": 66.102,
    "l": 34.706
  },
  "oklch": {
    "l": 0.34516,
    "c": 0.17927,
    "h": 275.3
  },
  "luminance": 0.03486
}

Semantic roles & 50–950 ramp

primary

#281E93

secondary

#B5BE4F

accent

#E93FDA

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #281E93

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

Preview Lab → · Contrast checker → · Palette generator →