#282D8C#282D8C

#282D8C is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.1% C 0.154 H 273.3°. Best body text is #FFFFFF at 11.39:1 contrast (WCAG AA passes).

Color values

HEX	#282D8C
RGB	rgb(40, 45, 140)
HSL	hsl(237, 56%, 35%)
HSV	hsv(237, 71%, 55%)
CMYK	cmyk(71.4%, 67.9%, 0%, 45.1%)
CIE-LAB	lab(24.39, 30.86, -53.28)
CIE-LCH	lch(24.39, 61.57, 300.08°)
OKLab	oklab(36.08% 0.009 -0.1539)
OKLCH	oklch(36.08% 0.154 273.3)
XYZ	xyz(6.5455, 4.2207, 25.2756)
Luminance	0.0422 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282D8C #8C8728

analogous

#285F8C #282D8C #55288C

triadic

#282D8C #8C282D #2D8C28

tetradic

#282D8C #8C285F #8C8728 #288C55

square

#282D8C #8C285F #8C8728 #288C55

split-complementary

#282D8C #8C5528 #5F8C28

monochromatic

#0D0E2D #1A1E5C #282D8C #363CBC #5E63D1

Accessibility & contrast

On white

11.39

#282D8C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#282D8C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282D8C

11.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282D8C	#FFFFFF	#000000	##FFFFFF
##282D8C	1.00	11.39	1.84	11.39
#FFFFFF	11.39	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F8F

Deuteranopia (green-blind)

#00358A

Tritanopia (blue-blind)

#004658

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #282d8c;
/* rgb */ color: rgb(40, 45, 140);
/* oklch */ color: oklch(36.1% 0.154 273.3);

Tailwind

colors: {
  custom: {
    50: '#7166af',
    500: '#282d8c',
    950: '#000000',
  },
}

SCSS

$custom: #282d8c;
$custom-light: #7166af;
$custom-dark: #000000;

JSON

{
  "hex": "#282d8c",
  "rgb": {
    "r": 40,
    "g": 45,
    "b": 140
  },
  "hsl": {
    "h": 237,
    "s": 55.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.3608,
    "c": 0.15418,
    "h": 273.3
  },
  "luminance": 0.04221
}

Semantic roles & 50–950 ramp

primary

#282D8C

secondary

#B6B25A

accent

#D749DF

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #282D8C

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

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