#282D40#282D40

#282D40 is a dark, muted blue. Relative luminance 0.027; OKLCH L 30.1% C 0.035 H 272.7°. Best body text is #FFFFFF at 13.64:1 contrast (WCAG AA passes).

Color values

HEX	#282D40
RGB	rgb(40, 45, 64)
HSL	hsl(228, 23%, 20%)
HSV	hsv(228, 38%, 25%)
CMYK	cmyk(37.5%, 29.7%, 0%, 74.9%)
CIE-LAB	lab(18.79, 3.32, -12.70)
CIE-LCH	lch(18.79, 13.13, 284.66°)
OKLab	oklab(30.11% 0.0017 -0.0352)
OKLCH	oklch(30.11% 0.035 272.7)
XYZ	xyz(2.7386, 2.6980, 5.2260)
Luminance	0.0270 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282D40 #403B28

analogous

#283940 #282D40 #2F2840

triadic

#282D40 #40282D #2D4028

tetradic

#282D40 #402839 #403B28 #28402F

square

#282D40 #402839 #403B28 #28402F

split-complementary

#282D40 #402F28 #394028

monochromatic

#0C0D13 #10131A #282D40 #404766 #57628B

Accessibility & contrast

On white

13.64

#282D40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#282D40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282D40

13.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282D40	#FFFFFF	#000000	##FFFFFF
##282D40	1.00	13.64	1.54	13.64
#FFFFFF	13.64	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#272F41

Deuteranopia (green-blind)

#252D40

Tritanopia (blue-blind)

#213134

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #282d40;
/* rgb */ color: rgb(40, 45, 64);
/* oklch */ color: oklch(30.1% 0.035 272.7);

Tailwind

colors: {
  custom: {
    50: '#626575',
    500: '#282d40',
    950: '#000000',
  },
}

SCSS

$custom: #282d40;
$custom-light: #626575;
$custom-dark: #000000;

JSON

{
  "hex": "#282d40",
  "rgb": {
    "r": 40,
    "g": 45,
    "b": 64
  },
  "hsl": {
    "h": 227.5,
    "s": 23.077,
    "l": 20.392
  },
  "oklch": {
    "l": 0.3011,
    "c": 0.03523,
    "h": 272.7
  },
  "luminance": 0.02698
}

Semantic roles & 50–950 ramp

primary

#282D40

secondary

#726B52

accent

#AD68C0

background

#F5F6F7

surface

#EAEBED

border

#C6C6C8

text

#050508

muted

#797A7B

Preview Lab

Preview with #282D40

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

Preview Lab → · Contrast checker → · Palette generator →