#282D3F#282D3F

#282D3F is a dark, muted blue. Relative luminance 0.027; OKLCH L 30.1% C 0.033 H 272.3°. Best body text is #FFFFFF at 13.66:1 contrast (WCAG AA passes).

Color values

HEX	#282D3F
RGB	rgb(40, 45, 63)
HSL	hsl(227, 22%, 20%)
HSV	hsv(227, 37%, 25%)
CMYK	cmyk(36.5%, 28.6%, 0%, 75.3%)
CIE-LAB	lab(18.74, 3.00, -12.09)
CIE-LCH	lch(18.74, 12.45, 283.96°)
OKLab	oklab(30.06% 0.0013 -0.0334)
OKLCH	oklch(30.06% 0.033 272.3)
XYZ	xyz(2.7104, 2.6867, 5.0774)
Luminance	0.0269 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282D3F #3F3A28

analogous

#28383F #282D3F #2F283F

triadic

#282D3F #3F282D #2D3F28

tetradic

#282D3F #3F2838 #3F3A28 #283F2F

square

#282D3F #3F2838 #3F3A28 #283F2F

split-complementary

#282D3F #3F2F28 #383F28

monochromatic

#0C0D13 #10121A #282D3F #404864 #58628A

Accessibility & contrast

On white

13.66

#282D3F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#282D3F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282D3F

13.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282D3F	#FFFFFF	#000000	##FFFFFF
##282D3F	1.00	13.66	1.54	13.66
#FFFFFF	13.66	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#272F40

Deuteranopia (green-blind)

#262D3F

Tritanopia (blue-blind)

#223033

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #282d3f;
/* rgb */ color: rgb(40, 45, 63);
/* oklch */ color: oklch(30.1% 0.033 272.3);

Tailwind

colors: {
  custom: {
    50: '#626574',
    500: '#282d3f',
    950: '#000000',
  },
}

SCSS

$custom: #282d3f;
$custom-light: #626574;
$custom-dark: #000000;

JSON

{
  "hex": "#282d3f",
  "rgb": {
    "r": 40,
    "g": 45,
    "b": 63
  },
  "hsl": {
    "h": 226.957,
    "s": 22.33,
    "l": 20.196
  },
  "oklch": {
    "l": 0.30056,
    "c": 0.03348,
    "h": 272.3
  },
  "luminance": 0.02687
}

Semantic roles & 50–950 ramp

primary

#282D3F

secondary

#716A52

accent

#AC69BF

background

#F5F6F7

surface

#EAEBED

border

#C6C6C8

text

#050508

muted

#797A7B

Preview Lab

Preview with #282D3F

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

Preview Lab → · Contrast checker → · Palette generator →