#281E9F#281E9F

#281E9F is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.9% C 0.194 H 274.0°. Best body text is #FFFFFF at 11.82:1 contrast (WCAG AA passes).

Color values

HEX	#281E9F
RGB	rgb(40, 30, 159)
HSL	hsl(245, 68%, 37%)
HSV	hsv(245, 81%, 62%)
CMYK	cmyk(74.8%, 81.1%, 0%, 37.6%)
CIE-LAB	lab(23.28, 46.06, -66.82)
CIE-LCH	lch(23.28, 81.16, 304.58°)
OKLab	oklab(35.89% 0.0135 -0.1933)
OKLCH	oklch(35.89% 0.194 274)
XYZ	xyz(7.5953, 3.8821, 33.1432)
Luminance	0.0388 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281E9F #959F1E

analogous

#1E559F #281E9F #691E9F

triadic

#281E9F #9F281E #1E9F28

tetradic

#281E9F #9F1E55 #959F1E #1E9F69

square

#281E9F #9F1E55 #959F1E #1E9F69

split-complementary

#281E9F #9F691E #559F1E

monochromatic

#0E0B38 #1B146C #281E9F #3528D2 #6258DF

Accessibility & contrast

On white

11.82

#281E9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#281E9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281E9F

11.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281E9F	#FFFFFF	#000000	##FFFFFF
##281E9F	1.00	11.82	1.78	11.82
#FFFFFF	11.82	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003DA3

Deuteranopia (green-blind)

#00319D

Tritanopia (blue-blind)

#00465F

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #281e9f;
/* rgb */ color: rgb(40, 30, 159);
/* oklch */ color: oklch(35.9% 0.194 274.0);

Tailwind

colors: {
  custom: {
    50: '#775ebd',
    500: '#281e9f',
    950: '#000000',
  },
}

SCSS

$custom: #281e9f;
$custom-light: #775ebd;
$custom-dark: #000000;

JSON

{
  "hex": "#281e9f",
  "rgb": {
    "r": 40,
    "g": 30,
    "b": 159
  },
  "hsl": {
    "h": 244.651,
    "s": 68.254,
    "l": 37.059
  },
  "oklch": {
    "l": 0.35888,
    "c": 0.19374,
    "h": 274
  },
  "luminance": 0.03883
}

Semantic roles & 50–950 ramp

primary

#281E9F

secondary

#BBC356

accent

#EB3DDE

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #281E9F

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

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