#282A4E#282A4E

#282A4E is a dark, moderate blue. Relative luminance 0.027; OKLCH L 30.2% C 0.064 H 279.4°. Best body text is #FFFFFF at 13.71:1 contrast (WCAG AA passes).

Color values

HEX	#282A4E
RGB	rgb(40, 42, 78)
HSL	hsl(237, 32%, 23%)
HSV	hsv(237, 49%, 31%)
CMYK	cmyk(48.7%, 46.2%, 0%, 69.4%)
CIE-LAB	lab(18.61, 10.17, -22.51)
CIE-LCH	lch(18.61, 24.70, 294.31°)
OKLab	oklab(30.23% 0.0105 -0.0636)
OKLCH	oklch(30.23% 0.064 279.4)
XYZ	xyz(3.0778, 2.6570, 7.5569)
Luminance	0.0266 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282A4E #4E4C28

analogous

#283D4E #282A4E #39284E

triadic

#282A4E #4E282A #2A4E28

tetradic

#282A4E #4E283D #4E4C28 #284E39

square

#282A4E #4E283D #4E4C28 #284E39

split-complementary

#282A4E #4E3928 #3D4E28

monochromatic

#0A0B14 #131426 #282A4E #3D4076 #51569F

Accessibility & contrast

On white

13.71

#282A4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#282A4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282A4E

13.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282A4E	#FFFFFF	#000000	##FFFFFF
##282A4E	1.00	13.71	1.53	13.71
#FFFFFF	13.71	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D2F4F

Deuteranopia (green-blind)

#1A2C4D

Tritanopia (blue-blind)

#1B3138

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #282a4e;
/* rgb */ color: rgb(40, 42, 78);
/* oklch */ color: oklch(30.2% 0.064 279.4);

Tailwind

colors: {
  custom: {
    50: '#646380',
    500: '#282a4e',
    950: '#000000',
  },
}

SCSS

$custom: #282a4e;
$custom-light: #646380;
$custom-dark: #000000;

JSON

{
  "hex": "#282a4e",
  "rgb": {
    "r": 40,
    "g": 42,
    "b": 78
  },
  "hsl": {
    "h": 236.842,
    "s": 32.203,
    "l": 23.137
  },
  "oklch": {
    "l": 0.30229,
    "c": 0.06445,
    "h": 279.4
  },
  "luminance": 0.02657
}

Semantic roles & 50–950 ramp

primary

#282A4E

secondary

#817E51

accent

#C35FC8

background

#F6F5F7

surface

#EBEAEE

border

#C6C6C9

text

#05050A

muted

#7A797C

Preview Lab

Preview with #282A4E

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

Preview Lab → · Contrast checker → · Palette generator →