#281E7B#281E7B

#281E7B is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.9% C 0.149 H 278.6°. Best body text is #FFFFFF at 13.44:1 contrast (WCAG AA passes).

Color values

HEX	#281E7B
RGB	rgb(40, 30, 123)
HSL	hsl(246, 61%, 30%)
HSV	hsv(246, 76%, 48%)
CMYK	cmyk(67.5%, 75.6%, 0%, 51.8%)
CIE-LAB	lab(19.26, 34.26, -51.00)
CIE-LCH	lch(19.26, 61.44, 303.89°)
OKLab	oklab(31.88% 0.0223 -0.1472)
OKLCH	oklch(31.88% 0.149 278.6)
XYZ	xyz(4.9133, 2.8093, 19.0184)
Luminance	0.0281 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281E7B #717B1E

analogous

#1E427B #281E7B #571E7B

triadic

#281E7B #7B281E #1E7B28

tetradic

#281E7B #7B1E42 #717B1E #1E7B57

square

#281E7B #7B1E42 #717B1E #1E7B57

split-complementary

#281E7B #7B571E #427B1E

monochromatic

#080619 #18124A #281E7B #382AAC #5242D1

Accessibility & contrast

On white

13.44

#281E7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#281E7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281E7B

13.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281E7B	#FFFFFF	#000000	##FFFFFF
##281E7B	1.00	13.44	1.56	13.44
#FFFFFF	13.44	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00327E

Deuteranopia (green-blind)

#002B79

Tritanopia (blue-blind)

#00384A

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #281e7b;
/* rgb */ color: rgb(40, 30, 123);
/* oklch */ color: oklch(31.9% 0.149 278.6);

Tailwind

colors: {
  custom: {
    50: '#6e5ba2',
    500: '#281e7b',
    950: '#000000',
  },
}

SCSS

$custom: #281e7b;
$custom-light: #6e5ba2;
$custom-dark: #000000;

JSON

{
  "hex": "#281e7b",
  "rgb": {
    "r": 40,
    "g": 30,
    "b": 123
  },
  "hsl": {
    "h": 246.452,
    "s": 60.784,
    "l": 30
  },
  "oklch": {
    "l": 0.31882,
    "c": 0.14891,
    "h": 278.6
  },
  "luminance": 0.0281
}

Semantic roles & 50–950 ramp

primary

#281E7B

secondary

#A3AE46

accent

#E444D3

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08040F

muted

#7B797F

Preview Lab

Preview with #281E7B

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

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