#282540#282540

#282540 is a dark, muted blue. Relative luminance 0.021; OKLCH L 28.1% C 0.049 H 287.9°. Best body text is #FFFFFF at 14.70:1 contrast (WCAG AA passes).

Color values

HEX	#282540
RGB	rgb(40, 37, 64)
HSL	hsl(247, 27%, 20%)
HSV	hsv(247, 42%, 25%)
CMYK	cmyk(37.5%, 42.2%, 0%, 74.9%)
CIE-LAB	lab(16.23, 9.02, -16.69)
CIE-LCH	lch(16.23, 18.97, 298.40°)
OKLab	oklab(28.13% 0.0151 -0.0467)
OKLCH	oklch(28.13% 0.049 287.9)
XYZ	xyz(2.4618, 2.1444, 5.1337)
Luminance	0.0214 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282540 #3D4025

analogous

#253040 #282540 #362540

triadic

#282540 #402825 #254028

tetradic

#282540 #402530 #3D4025 #254036

square

#282540 #402530 #3D4025 #254036

split-complementary

#282540 #403625 #304025

monochromatic

#0C0B13 #100F19 #282540 #403B67 #58528E

Accessibility & contrast

On white

14.70

#282540 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#282540 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282540

14.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282540	#FFFFFF	#000000	##FFFFFF
##282540	1.00	14.70	1.43	14.70
#FFFFFF	14.70	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D2941

Deuteranopia (green-blind)

#1D283F

Tritanopia (blue-blind)

#222A2F

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #282540;
/* rgb */ color: rgb(40, 37, 64);
/* oklch */ color: oklch(28.1% 0.049 287.9);

Tailwind

colors: {
  custom: {
    50: '#635f75',
    500: '#282540',
    950: '#000000',
  },
}

SCSS

$custom: #282540;
$custom-light: #635f75;
$custom-dark: #000000;

JSON

{
  "hex": "#282540",
  "rgb": {
    "r": 40,
    "g": 37,
    "b": 64
  },
  "hsl": {
    "h": 246.667,
    "s": 26.733,
    "l": 19.804
  },
  "oklch": {
    "l": 0.28132,
    "c": 0.04904,
    "h": 287.9
  },
  "luminance": 0.02144
}

Semantic roles & 50–950 ramp

primary

#282540

secondary

#6E724E

accent

#C365B9

background

#F5F5F7

surface

#EAE9ED

border

#C6C5C8

text

#050408

muted

#79797B

Preview Lab

Preview with #282540

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

Preview Lab → · Contrast checker → · Palette generator →