#282F4E#282F4E

#282F4E is a dark, muted blue. Relative luminance 0.030; OKLCH L 31.4% C 0.056 H 273.1°. Best body text is #FFFFFF at 13.07:1 contrast (WCAG AA passes).

Color values

HEX	#282F4E
RGB	rgb(40, 47, 78)
HSL	hsl(229, 32%, 23%)
HSV	hsv(229, 49%, 31%)
CMYK	cmyk(48.7%, 39.7%, 0%, 69.4%)
CIE-LAB	lab(20.18, 6.61, -20.04)
CIE-LCH	lch(20.18, 21.10, 288.26°)
OKLab	oklab(31.43% 0.0031 -0.0564)
OKLCH	oklch(31.43% 0.056 273.1)
XYZ	xyz(3.2663, 3.0340, 7.6198)
Luminance	0.0303 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282F4E #4E4728

analogous

#28424E #282F4E #34284E

triadic

#282F4E #4E282F #2F4E28

tetradic

#282F4E #4E2842 #4E4728 #284E34

square

#282F4E #4E2842 #4E4728 #284E34

split-complementary

#282F4E #4E3428 #424E28

monochromatic

#0A0C14 #131726 #282F4E #3D4776 #51609F

Accessibility & contrast

On white

13.07

#282F4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#282F4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282F4E

13.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282F4E	#FFFFFF	#000000	##FFFFFF
##282F4E	1.00	13.07	1.61	13.07
#FFFFFF	13.07	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#24324F

Deuteranopia (green-blind)

#212F4D

Tritanopia (blue-blind)

#1B353A

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #282f4e;
/* rgb */ color: rgb(40, 47, 78);
/* oklch */ color: oklch(31.4% 0.056 273.1);

Tailwind

colors: {
  custom: {
    50: '#64677f',
    500: '#282f4e',
    950: '#000000',
  },
}

SCSS

$custom: #282f4e;
$custom-light: #64677f;
$custom-dark: #000000;

JSON

{
  "hex": "#282f4e",
  "rgb": {
    "r": 40,
    "g": 47,
    "b": 78
  },
  "hsl": {
    "h": 228.947,
    "s": 32.203,
    "l": 23.137
  },
  "oklch": {
    "l": 0.3143,
    "c": 0.05644,
    "h": 273.1
  },
  "luminance": 0.03034
}

Semantic roles & 50–950 ramp

primary

#282F4E

secondary

#817851

accent

#B55FC8

background

#F6F6F7

surface

#EBEBEE

border

#C6C6C9

text

#05060A

muted

#7A7A7C

Preview Lab

Preview with #282F4E

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

Preview Lab → · Contrast checker → · Palette generator →