#283164#283164

#283164 is a dark, moderate blue. Relative luminance 0.036; OKLCH L 33.4% C 0.090 H 273.1°. Best body text is #FFFFFF at 12.25:1 contrast (WCAG AA passes).

Color values

HEX	#283164
RGB	rgb(40, 49, 100)
HSL	hsl(231, 43%, 27%)
HSV	hsv(231, 60%, 39%)
CMYK	cmyk(60%, 51%, 0%, 60.8%)
CIE-LAB	lab(22.19, 13.19, -31.41)
CIE-LCH	lch(22.19, 34.07, 292.78°)
OKLab	oklab(33.42% 0.0048 -0.0896)
OKLCH	oklch(33.42% 0.09 273.1)
XYZ	xyz(4.2729, 3.5675, 12.5176)
Luminance	0.0357 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283164 #645B28

analogous

#284F64 #283164 #3D2864

triadic

#283164 #642831 #316428

tetradic

#283164 #64284F #645B28 #28643D

square

#283164 #64284F #645B28 #28643D

split-complementary

#283164 #643D28 #4F6428

monochromatic

#090B16 #171C38 #283164 #394690 #4E5EB8

Accessibility & contrast

On white

12.25

#283164 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#283164 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283164

12.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283164	#FFFFFF	#000000	##FFFFFF
##283164	1.00	12.25	1.71	12.25
#FFFFFF	12.25	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#193866

Deuteranopia (green-blind)

#103363

Tritanopia (blue-blind)

#053C45

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #283164;
/* rgb */ color: rgb(40, 49, 100);
/* oklch */ color: oklch(33.4% 0.090 273.1);

Tailwind

colors: {
  custom: {
    50: '#686890',
    500: '#283164',
    950: '#000000',
  },
}

SCSS

$custom: #283164;
$custom-light: #686890;
$custom-dark: #000000;

JSON

{
  "hex": "#283164",
  "rgb": {
    "r": 40,
    "g": 49,
    "b": 100
  },
  "hsl": {
    "h": 231,
    "s": 42.857,
    "l": 27.451
  },
  "oklch": {
    "l": 0.33417,
    "c": 0.08975,
    "h": 273.1
  },
  "luminance": 0.03568
}

Semantic roles & 50–950 ramp

primary

#283164

secondary

#978C51

accent

#C055D3

background

#F6F6F8

surface

#EBEBF0

border

#C6C6CB

text

#06060C

muted

#7A7A7D

Preview Lab

Preview with #283164

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

Preview Lab → · Contrast checker → · Palette generator →