#282F40#282F40

#282F40 is a dark, muted blue. Relative luminance 0.029; OKLCH L 30.6% C 0.032 H 267.1°. Best body text is #FFFFFF at 13.37:1 contrast (WCAG AA passes).

Color values

HEX	#282F40
RGB	rgb(40, 47, 64)
HSL	hsl(223, 23%, 20%)
HSV	hsv(223, 38%, 25%)
CMYK	cmyk(37.5%, 26.6%, 0%, 74.9%)
CIE-LAB	lab(19.45, 1.93, -11.68)
CIE-LCH	lch(19.45, 11.84, 279.36°)
OKLab	oklab(30.62% -0.0016 -0.0323)
OKLCH	oklch(30.62% 0.032 267.1)
XYZ	xyz(2.8167, 2.8542, 5.2520)
Luminance	0.0285 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282F40 #403928

analogous

#283B40 #282F40 #2D2840

triadic

#282F40 #40282F #2F4028

tetradic

#282F40 #40283B #403928 #28402D

square

#282F40 #40283B #403928 #28402D

split-complementary

#282F40 #402D28 #3B4028

monochromatic

#0C0E13 #10131A #282F40 #404B66 #57668B

Accessibility & contrast

On white

13.37

#282F40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#282F40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282F40

13.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282F40	#FFFFFF	#000000	##FFFFFF
##282F40	1.00	13.37	1.57	13.37
#FFFFFF	13.37	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#293041

Deuteranopia (green-blind)

#272E40

Tritanopia (blue-blind)

#213235

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #282f40;
/* rgb */ color: rgb(40, 47, 64);
/* oklch */ color: oklch(30.6% 0.032 267.1);

Tailwind

colors: {
  custom: {
    50: '#626774',
    500: '#282f40',
    950: '#000000',
  },
}

SCSS

$custom: #282f40;
$custom-light: #626774;
$custom-dark: #000000;

JSON

{
  "hex": "#282f40",
  "rgb": {
    "r": 40,
    "g": 47,
    "b": 64
  },
  "hsl": {
    "h": 222.5,
    "s": 23.077,
    "l": 20.392
  },
  "oklch": {
    "l": 0.30624,
    "c": 0.03234,
    "h": 267.1
  },
  "luminance": 0.02854
}

Semantic roles & 50–950 ramp

primary

#282F40

secondary

#726852

accent

#A668C0

background

#F5F6F7

surface

#EAEBED

border

#C6C6C8

text

#050608

muted

#797A7B

Preview Lab

Preview with #282F40

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

Preview Lab → · Contrast checker → · Palette generator →