#282B9E#282B9E

#282B9E is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.6% C 0.180 H 272.5°. Best body text is #FFFFFF at 10.88:1 contrast (WCAG AA passes).

Color values

HEX	#282B9E
RGB	rgb(40, 43, 158)
HSL	hsl(238, 60%, 39%)
HSV	hsv(238, 75%, 62%)
CMYK	cmyk(74.7%, 72.8%, 0%, 38%)
CIE-LAB	lab(25.70, 38.53, -62.20)
CIE-LCH	lch(25.70, 73.16, 301.78°)
OKLab	oklab(37.57% 0.0079 -0.18)
OKLCH	oklch(37.57% 0.18 272.5)
XYZ	xyz(7.9084, 4.6467, 32.8212)
Luminance	0.0465 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282B9E #9E9B28

analogous

#28669E #282B9E #60289E

triadic

#282B9E #9E282B #2B9E28

tetradic

#282B9E #9E2866 #9E9B28 #289E60

square

#282B9E #9E2866 #9E9B28 #289E60

split-complementary

#282B9E #9E6028 #669E28

monochromatic

#0F103C #1C1E6D #282B9E #373BCC #686BD9

Accessibility & contrast

On white

10.88

#282B9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#282B9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282B9E

10.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282B9E	#FFFFFF	#000000	##FFFFFF
##282B9E	1.00	10.88	1.93	10.88
#FFFFFF	10.88	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043A1

Deuteranopia (green-blind)

#00379C

Tritanopia (blue-blind)

#004B61

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #282b9e;
/* rgb */ color: rgb(40, 43, 158);
/* oklch */ color: oklch(37.6% 0.180 272.5);

Tailwind

colors: {
  custom: {
    50: '#7565bc',
    500: '#282b9e',
    950: '#000000',
  },
}

SCSS

$custom: #282b9e;
$custom-light: #7565bc;
$custom-dark: #000000;

JSON

{
  "hex": "#282b9e",
  "rgb": {
    "r": 40,
    "g": 43,
    "b": 158
  },
  "hsl": {
    "h": 238.475,
    "s": 59.596,
    "l": 38.824
  },
  "oklch": {
    "l": 0.37567,
    "c": 0.18013,
    "h": 272.5
  },
  "luminance": 0.04647
}

Semantic roles & 50–950 ramp

primary

#282B9E

secondary

#BFBC63

accent

#DF45E3

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #282B9E

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

Preview Lab → · Contrast checker → · Palette generator →