#282B71#282B71

#282B71 is a dark, moderate blue. Relative luminance 0.034; OKLCH L 33.2% C 0.118 H 276.0°. Best body text is #FFFFFF at 12.54:1 contrast (WCAG AA passes).

Color values

HEX	#282B71
RGB	rgb(40, 43, 113)
HSL	hsl(238, 48%, 30%)
HSV	hsv(238, 65%, 44%)
CMYK	cmyk(64.6%, 61.9%, 0%, 55.7%)
CIE-LAB	lab(21.47, 22.25, -40.98)
CIE-LCH	lch(21.47, 46.63, 298.50°)
OKLab	oklab(33.2% 0.0123 -0.1178)
OKLCH	oklch(33.2% 0.118 276)
XYZ	xyz(4.7186, 3.3708, 16.0215)
Luminance	0.0337 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282B71 #716E28

analogous

#285071 #282B71 #492871

triadic

#282B71 #71282B #2B7128

tetradic

#282B71 #712850 #716E28 #287149

square

#282B71 #712850 #716E28 #287149

split-complementary

#282B71 #714928 #507128

monochromatic

#080917 #181A44 #282B71 #383C9E #5256C2

Accessibility & contrast

On white

12.54

#282B71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#282B71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282B71

12.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282B71	#FFFFFF	#000000	##FFFFFF
##282B71	1.00	12.54	1.67	12.54
#FFFFFF	12.54	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003773

Deuteranopia (green-blind)

#003070

Tritanopia (blue-blind)

#003C49

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #282b71;
/* rgb */ color: rgb(40, 43, 113);
/* oklch */ color: oklch(33.2% 0.118 276.0);

Tailwind

colors: {
  custom: {
    50: '#6b649a',
    500: '#282b71',
    950: '#000000',
  },
}

SCSS

$custom: #282b71;
$custom-light: #6b649a;
$custom-dark: #000000;

JSON

{
  "hex": "#282b71",
  "rgb": {
    "r": 40,
    "g": 43,
    "b": 113
  },
  "hsl": {
    "h": 237.534,
    "s": 47.712,
    "l": 30
  },
  "oklch": {
    "l": 0.33195,
    "c": 0.11848,
    "h": 276
  },
  "luminance": 0.03371
}

Semantic roles & 50–950 ramp

primary

#282B71

secondary

#A3A052

accent

#D250D7

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07050E

muted

#7A7A7E

Preview Lab

Preview with #282B71

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

Preview Lab → · Contrast checker → · Palette generator →