#281E90#281E90

#281E90 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.2% C 0.176 H 275.6°. Best body text is #FFFFFF at 12.51:1 contrast (WCAG AA passes).

Color values

HEX	#281E90
RGB	rgb(40, 30, 144)
HSL	hsl(245, 66%, 34%)
HSV	hsv(245, 79%, 56%)
CMYK	cmyk(72.2%, 79.2%, 0%, 43.5%)
CIE-LAB	lab(21.55, 41.25, -60.44)
CIE-LCH	lch(21.55, 73.17, 304.32°)
OKLab	oklab(34.18% 0.0173 -0.1747)
OKLCH	oklch(34.18% 0.176 275.6)
XYZ	xyz(6.3717, 3.3927, 26.6992)
Luminance	0.0339 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281E90 #86901E

analogous

#1E4D90 #281E90 #611E90

triadic

#281E90 #90281E #1E9028

tetradic

#281E90 #901E4D #86901E #1E9061

square

#281E90 #901E4D #86901E #1E9061

split-complementary

#281E90 #90611E #4D901E

monochromatic

#0C092B #1A135D #281E90 #3629C3 #5B4EDA

Accessibility & contrast

On white

12.51

#281E90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#281E90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281E90

12.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281E90	#FFFFFF	#000000	##FFFFFF
##281E90	1.00	12.51	1.68	12.51
#FFFFFF	12.51	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003993

Deuteranopia (green-blind)

#002F8E

Tritanopia (blue-blind)

#004056

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #281e90;
/* rgb */ color: rgb(40, 30, 144);
/* oklch */ color: oklch(34.2% 0.176 275.6);

Tailwind

colors: {
  custom: {
    50: '#735db2',
    500: '#281e90',
    950: '#000000',
  },
}

SCSS

$custom: #281e90;
$custom-light: #735db2;
$custom-dark: #000000;

JSON

{
  "hex": "#281e90",
  "rgb": {
    "r": 40,
    "g": 30,
    "b": 144
  },
  "hsl": {
    "h": 245.263,
    "s": 65.517,
    "l": 34.118
  },
  "oklch": {
    "l": 0.34178,
    "c": 0.17558,
    "h": 275.6
  },
  "luminance": 0.03393
}

Semantic roles & 50–950 ramp

primary

#281E90

secondary

#B3BD4D

accent

#E83FDA

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #281E90

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

Preview Lab → · Contrast checker → · Palette generator →