#282B4E#282B4E

#282B4E is a dark, moderate blue. Relative luminance 0.027; OKLCH L 30.5% C 0.063 H 278.3°. Best body text is #FFFFFF at 13.59:1 contrast (WCAG AA passes).

Color values

HEX	#282B4E
RGB	rgb(40, 43, 78)
HSL	hsl(235, 32%, 23%)
HSV	hsv(235, 49%, 31%)
CMYK	cmyk(48.7%, 44.9%, 0%, 69.4%)
CIE-LAB	lab(18.92, 9.45, -22.02)
CIE-LCH	lch(18.92, 23.97, 293.24°)
OKLab	oklab(30.46% 0.009 -0.0622)
OKLCH	oklch(30.46% 0.063 278.3)
XYZ	xyz(3.1137, 2.7288, 7.5689)
Luminance	0.0273 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282B4E #4E4B28

analogous

#283E4E #282B4E #38284E

triadic

#282B4E #4E282B #2B4E28

tetradic

#282B4E #4E283E #4E4B28 #284E38

square

#282B4E #4E283E #4E4B28 #284E38

split-complementary

#282B4E #4E3828 #3E4E28

monochromatic

#0A0B14 #131526 #282B4E #3D4176 #51589F

Accessibility & contrast

On white

13.59

#282B4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#282B4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282B4E

13.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282B4E	#FFFFFF	#000000	##FFFFFF
##282B4E	1.00	13.59	1.55	13.59
#FFFFFF	13.59	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E2F4F

Deuteranopia (green-blind)

#1B2D4D

Tritanopia (blue-blind)

#1B3238

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #282b4e;
/* rgb */ color: rgb(40, 43, 78);
/* oklch */ color: oklch(30.5% 0.063 278.3);

Tailwind

colors: {
  custom: {
    50: '#646480',
    500: '#282b4e',
    950: '#000000',
  },
}

SCSS

$custom: #282b4e;
$custom-light: #646480;
$custom-dark: #000000;

JSON

{
  "hex": "#282b4e",
  "rgb": {
    "r": 40,
    "g": 43,
    "b": 78
  },
  "hsl": {
    "h": 235.263,
    "s": 32.203,
    "l": 23.137
  },
  "oklch": {
    "l": 0.30465,
    "c": 0.06281,
    "h": 278.3
  },
  "luminance": 0.02729
}

Semantic roles & 50–950 ramp

primary

#282B4E

secondary

#817D51

accent

#C05FC8

background

#F6F5F7

surface

#EBEAEE

border

#C6C6C9

text

#05050A

muted

#7A797C

Preview Lab

Preview with #282B4E

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

Preview Lab → · Contrast checker → · Palette generator →