#282D7E#282D7E

#282D7E is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.8% C 0.135 H 274.3°. Best body text is #FFFFFF at 11.89:1 contrast (WCAG AA passes).

Color values

HEX	#282D7E
RGB	rgb(40, 45, 126)
HSL	hsl(237, 52%, 33%)
HSV	hsv(237, 68%, 49%)
CMYK	cmyk(68.3%, 64.3%, 0%, 50.6%)
CIE-LAB	lab(23.11, 25.71, -46.59)
CIE-LCH	lch(23.11, 53.22, 298.89°)
OKLab	oklab(34.76% 0.01 -0.1343)
OKLCH	oklch(34.76% 0.135 274.3)
XYZ	xyz(5.5781, 3.8338, 20.1806)
Luminance	0.0383 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282D7E #7E7928

analogous

#28587E #282D7E #4E287E

triadic

#282D7E #7E282D #2D7E28

tetradic

#282D7E #7E2858 #7E7928 #287E4E

square

#282D7E #7E2858 #7E7928 #287E4E

split-complementary

#282D7E #7E4E28 #587E28

monochromatic

#0B0C21 #191C50 #282D7E #373EAC #575DCA

Accessibility & contrast

On white

11.89

#282D7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#282D7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282D7E

11.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282D7E	#FFFFFF	#000000	##FFFFFF
##282D7E	1.00	11.89	1.77	11.89
#FFFFFF	11.89	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B81

Deuteranopia (green-blind)

#00337C

Tritanopia (blue-blind)

#004151

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #282d7e;
/* rgb */ color: rgb(40, 45, 126);
/* oklch */ color: oklch(34.8% 0.135 274.3);

Tailwind

colors: {
  custom: {
    50: '#6d66a4',
    500: '#282d7e',
    950: '#000000',
  },
}

SCSS

$custom: #282d7e;
$custom-light: #6d66a4;
$custom-dark: #000000;

JSON

{
  "hex": "#282d7e",
  "rgb": {
    "r": 40,
    "g": 45,
    "b": 126
  },
  "hsl": {
    "h": 236.512,
    "s": 51.807,
    "l": 32.549
  },
  "oklch": {
    "l": 0.34755,
    "c": 0.13468,
    "h": 274.3
  },
  "luminance": 0.03834
}

Semantic roles & 50–950 ramp

primary

#282D7E

secondary

#AFA953

accent

#D34DDB

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08050F

muted

#7B7A7F

Preview Lab

Preview with #282D7E

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

Preview Lab → · Contrast checker → · Palette generator →