#282D7B#282D7B

#282D7B is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.5% C 0.130 H 274.5°. Best body text is #FFFFFF at 11.99:1 contrast (WCAG AA passes).

Color values

HEX	#282D7B
RGB	rgb(40, 45, 123)
HSL	hsl(236, 51%, 32%)
HSV	hsv(236, 67%, 48%)
CMYK	cmyk(67.5%, 63.4%, 0%, 51.8%)
CIE-LAB	lab(22.85, 24.60, -45.12)
CIE-LCH	lch(22.85, 51.39, 298.60°)
OKLab	oklab(34.48% 0.0102 -0.13)
OKLCH	oklch(34.48% 0.13 274.5)
XYZ	xyz(5.3874, 3.7575, 19.1764)
Luminance	0.0376 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282D7B #7B7628

analogous

#28567B #282D7B #4D287B

triadic

#282D7B #7B282D #2D7B28

tetradic

#282D7B #7B2856 #7B7628 #287B4D

square

#282D7B #7B2856 #7B7628 #287B4D

split-complementary

#282D7B #7B4D28 #567B28

monochromatic

#0A0B1F #191C4D #282D7B #373EA9 #565CC8

Accessibility & contrast

On white

11.99

#282D7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#282D7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282D7B

11.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282D7B	#FFFFFF	#000000	##FFFFFF
##282D7B	1.00	11.99	1.75	11.99
#FFFFFF	11.99	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A7E

Deuteranopia (green-blind)

#003379

Tritanopia (blue-blind)

#00404F

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #282d7b;
/* rgb */ color: rgb(40, 45, 123);
/* oklch */ color: oklch(34.5% 0.130 274.5);

Tailwind

colors: {
  custom: {
    50: '#6d66a2',
    500: '#282d7b',
    950: '#000000',
  },
}

SCSS

$custom: #282d7b;
$custom-light: #6d66a2;
$custom-dark: #000000;

JSON

{
  "hex": "#282d7b",
  "rgb": {
    "r": 40,
    "g": 45,
    "b": 123
  },
  "hsl": {
    "h": 236.386,
    "s": 50.92,
    "l": 31.961
  },
  "oklch": {
    "l": 0.34482,
    "c": 0.13038,
    "h": 274.5
  },
  "luminance": 0.03758
}

Semantic roles & 50–950 ramp

primary

#282D7B

secondary

#ADA752

accent

#D24DDA

background

#F6F6FA

surface

#ECEBF3

border

#C7C6CD

text

#08050F

muted

#7A7A7F

Preview Lab

Preview with #282D7B

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

Preview Lab → · Contrast checker → · Palette generator →