#281887#281887

#281887 is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.4% C 0.170 H 277.6°. Best body text is #FFFFFF at 13.37:1 contrast (WCAG AA passes).

Color values

HEX	#281887
RGB	rgb(40, 24, 135)
HSL	hsl(249, 70%, 31%)
HSV	hsv(249, 82%, 53%)
CMYK	cmyk(70.4%, 82.2%, 0%, 47.1%)
CIE-LAB	lab(19.45, 41.47, -58.30)
CIE-LCH	lch(19.45, 71.54, 305.42°)
OKLab	oklab(32.41% 0.0226 -0.1684)
OKLCH	oklch(32.41% 0.17 277.6)
XYZ	xyz(5.5735, 2.8532, 23.1740)
Luminance	0.0285 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281887 #778718

analogous

#183F87 #281887 #5F1887

triadic

#281887 #872818 #188728

tetradic

#281887 #87183F #778718 #18875F

square

#281887 #87183F #778718 #18875F

split-complementary

#281887 #875F18 #3F8718

monochromatic

#09061F #190F53 #281887 #3721BB #543DDC

Accessibility & contrast

On white

13.37

#281887 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#281887 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281887

13.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281887	#FFFFFF	#000000	##FFFFFF
##281887	1.00	13.37	1.57	13.37
#FFFFFF	13.37	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00338A

Deuteranopia (green-blind)

#002A85

Tritanopia (blue-blind)

#003A50

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #281887;
/* rgb */ color: rgb(40, 24, 135);
/* oklch */ color: oklch(32.4% 0.170 277.6);

Tailwind

colors: {
  custom: {
    50: '#7259ab',
    500: '#281887',
    950: '#000000',
  },
}

SCSS

$custom: #281887;
$custom-light: #7259ab;
$custom-dark: #000000;

JSON

{
  "hex": "#281887",
  "rgb": {
    "r": 40,
    "g": 24,
    "b": 135
  },
  "hsl": {
    "h": 248.649,
    "s": 69.811,
    "l": 31.176
  },
  "oklch": {
    "l": 0.32405,
    "c": 0.16994,
    "h": 277.6
  },
  "luminance": 0.02854
}

Semantic roles & 50–950 ramp

primary

#281887

secondary

#A9BB40

accent

#ED3BD3

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #281887

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

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