#282B64#282B64

#282B64 is a dark, moderate blue. Relative luminance 0.031; OKLCH L 32.1% C 0.099 H 277.0°. Best body text is #FFFFFF at 12.96:1 contrast (WCAG AA passes).

Color values

HEX	#282B64
RGB	rgb(40, 43, 100)
HSL	hsl(237, 43%, 27%)
HSV	hsv(237, 60%, 39%)
CMYK	cmyk(60%, 57%, 0%, 60.8%)
CIE-LAB	lab(20.43, 17.43, -34.23)
CIE-LCH	lch(20.43, 38.41, 296.98°)
OKLab	oklab(32.1% 0.0121 -0.098)
OKLCH	oklch(32.1% 0.099 277)
XYZ	xyz(4.0385, 3.0987, 12.4394)
Luminance	0.0310 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282B64 #646128

analogous

#284964 #282B64 #432864

triadic

#282B64 #64282B #2B6428

tetradic

#282B64 #642849 #646128 #286443

square

#282B64 #642849 #646128 #286443

split-complementary

#282B64 #644328 #496428

monochromatic

#090916 #171838 #282B64 #393E90 #4E53B8

Accessibility & contrast

On white

12.96

#282B64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#282B64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282B64

12.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282B64	#FFFFFF	#000000	##FFFFFF
##282B64	1.00	12.96	1.62	12.96
#FFFFFF	12.96	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#083466

Deuteranopia (green-blind)

#002F63

Tritanopia (blue-blind)

#073843

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #282b64;
/* rgb */ color: rgb(40, 43, 100);
/* oklch */ color: oklch(32.1% 0.099 277.0);

Tailwind

colors: {
  custom: {
    50: '#686491',
    500: '#282b64',
    950: '#000000',
  },
}

SCSS

$custom: #282b64;
$custom-light: #686491;
$custom-dark: #000000;

JSON

{
  "hex": "#282b64",
  "rgb": {
    "r": 40,
    "g": 43,
    "b": 100
  },
  "hsl": {
    "h": 237,
    "s": 42.857,
    "l": 27.451
  },
  "oklch": {
    "l": 0.32096,
    "c": 0.09872,
    "h": 277
  },
  "luminance": 0.03099
}

Semantic roles & 50–950 ramp

primary

#282B64

secondary

#979351

accent

#CC55D3

background

#F6F5F8

surface

#EBEAF0

border

#C6C6CB

text

#06050D

muted

#7A797D

Preview Lab

Preview with #282B64

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

Preview Lab → · Contrast checker → · Palette generator →