#282F87#282F87

#282F87 is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.0% C 0.145 H 273.1°. Best body text is #FFFFFF at 11.37:1 contrast (WCAG AA passes).

Color values

HEX	#282F87
RGB	rgb(40, 47, 135)
HSL	hsl(236, 54%, 34%)
HSV	hsv(236, 70%, 53%)
CMYK	cmyk(70.4%, 65.2%, 0%, 47.1%)
CIE-LAB	lab(24.43, 27.70, -50.10)
CIE-LCH	lch(24.43, 57.25, 298.94°)
OKLab	oklab(35.97% 0.0079 -0.1446)
OKLCH	oklch(35.97% 0.145 273.1)
XYZ	xyz(6.2633, 4.2328, 23.4039)
Luminance	0.0423 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282F87 #878028

analogous

#285F87 #282F87 #512887

triadic

#282F87 #87282F #2F8728

tetradic

#282F87 #87285F #878028 #288751

square

#282F87 #87285F #878028 #288751

split-complementary

#282F87 #875128 #5F8728

monochromatic

#0C0E29 #1A1F58 #282F87 #363FB6 #5B63CE

Accessibility & contrast

On white

11.37

#282F87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#282F87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282F87

11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282F87	#FFFFFF	#000000	##FFFFFF
##282F87	1.00	11.37	1.85	11.37
#FFFFFF	11.37	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E8A

Deuteranopia (green-blind)

#003685

Tritanopia (blue-blind)

#004656

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #282f87;
/* rgb */ color: rgb(40, 47, 135);
/* oklch */ color: oklch(36.0% 0.145 273.1);

Tailwind

colors: {
  custom: {
    50: '#6f67ab',
    500: '#282f87',
    950: '#000000',
  },
}

SCSS

$custom: #282f87;
$custom-light: #6f67ab;
$custom-dark: #000000;

JSON

{
  "hex": "#282f87",
  "rgb": {
    "r": 40,
    "g": 47,
    "b": 135
  },
  "hsl": {
    "h": 235.579,
    "s": 54.286,
    "l": 34.314
  },
  "oklch": {
    "l": 0.35967,
    "c": 0.14481,
    "h": 273.1
  },
  "luminance": 0.04233
}

Semantic roles & 50–950 ramp

primary

#282F87

secondary

#B4AD57

accent

#D34ADE

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #282F87

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

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