#281E8D#281E8D

#281E8D is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.8% C 0.172 H 276.0°. Best body text is #FFFFFF at 12.65:1 contrast (WCAG AA passes).

Color values

HEX	#281E8D
RGB	rgb(40, 30, 141)
HSL	hsl(245, 65%, 34%)
HSV	hsv(245, 79%, 55%)
CMYK	cmyk(71.6%, 78.7%, 0%, 44.7%)
CIE-LAB	lab(21.22, 40.27, -59.13)
CIE-LCH	lch(21.22, 71.54, 304.26°)
OKLab	oklab(33.84% 0.018 -0.1709)
OKLCH	oklch(33.84% 0.172 276)
XYZ	xyz(6.1455, 3.3022, 25.5077)
Luminance	0.0330 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281E8D #838D1E

analogous

#1E4B8D #281E8D #5F1E8D

triadic

#281E8D #8D281E #1E8D28

tetradic

#281E8D #8D1E4B #838D1E #1E8D5F

square

#281E8D #8D1E4B #838D1E #1E8D5F

split-complementary

#281E8D #8D5F1E #4B8D1E

monochromatic

#0B0928 #1A135B #281E8D #3629BF #594CD9

Accessibility & contrast

On white

12.65

#281E8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#281E8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281E8D

12.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281E8D	#FFFFFF	#000000	##FFFFFF
##281E8D	1.00	12.65	1.66	12.65
#FFFFFF	12.65	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003890

Deuteranopia (green-blind)

#002E8B

Tritanopia (blue-blind)

#003F55

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #281e8d;
/* rgb */ color: rgb(40, 30, 141);
/* oklch */ color: oklch(33.8% 0.172 276.0);

Tailwind

colors: {
  custom: {
    50: '#725cb0',
    500: '#281e8d',
    950: '#000000',
  },
}

SCSS

$custom: #281e8d;
$custom-light: #725cb0;
$custom-dark: #000000;

JSON

{
  "hex": "#281e8d",
  "rgb": {
    "r": 40,
    "g": 30,
    "b": 141
  },
  "hsl": {
    "h": 245.405,
    "s": 64.912,
    "l": 33.529
  },
  "oklch": {
    "l": 0.33842,
    "c": 0.17188,
    "h": 276
  },
  "luminance": 0.03303
}

Semantic roles & 50–950 ramp

primary

#281E8D

secondary

#B1BC4B

accent

#E840D9

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#090411

muted

#7B7980

Preview Lab

Preview with #281E8D

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

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