#282D66#282D66

#282D66 is a dark, moderate blue. Relative luminance 0.033; OKLCH L 32.7% C 0.099 H 275.7°. Best body text is #FFFFFF at 12.67:1 contrast (WCAG AA passes).

Color values

HEX	#282D66
RGB	rgb(40, 45, 102)
HSL	hsl(235, 44%, 28%)
HSV	hsv(235, 61%, 40%)
CMYK	cmyk(60.8%, 55.9%, 0%, 60%)
CIE-LAB	lab(21.16, 16.76, -34.37)
CIE-LCH	lch(21.16, 38.24, 296.00°)
OKLab	oklab(32.69% 0.0098 -0.0984)
OKLCH	oklch(32.69% 0.099 275.7)
XYZ	xyz(4.2110, 3.2869, 12.9803)
Luminance	0.0329 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282D66 #666128

analogous

#284C66 #282D66 #422866

triadic

#282D66 #66282D #2D6628

tetradic

#282D66 #66284C #666128 #286642

square

#282D66 #66284C #666128 #286642

split-complementary

#282D66 #664228 #4C6628

monochromatic

#090A16 #171A3A #282D66 #394092 #4F57BA

Accessibility & contrast

On white

12.67

#282D66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#282D66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282D66

12.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282D66	#FFFFFF	#000000	##FFFFFF
##282D66	1.00	12.67	1.66	12.67
#FFFFFF	12.67	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C3668

Deuteranopia (green-blind)

#003065

Tritanopia (blue-blind)

#033A44

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #282d66;
/* rgb */ color: rgb(40, 45, 102);
/* oklch */ color: oklch(32.7% 0.099 275.7);

Tailwind

colors: {
  custom: {
    50: '#686592',
    500: '#282d66',
    950: '#000000',
  },
}

SCSS

$custom: #282d66;
$custom-light: #686592;
$custom-dark: #000000;

JSON

{
  "hex": "#282d66",
  "rgb": {
    "r": 40,
    "g": 45,
    "b": 102
  },
  "hsl": {
    "h": 235.161,
    "s": 43.662,
    "l": 27.843
  },
  "oklch": {
    "l": 0.32686,
    "c": 0.09886,
    "h": 275.7
  },
  "luminance": 0.03287
}

Semantic roles & 50–950 ramp

primary

#282D66

secondary

#999351

accent

#C954D3

background

#F6F6F9

surface

#EBEBF1

border

#C6C6CB

text

#07050D

muted

#7A7A7E

Preview Lab

Preview with #282D66

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

Preview Lab → · Contrast checker → · Palette generator →