#2B318D#2B318D

#2B318D is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.1% C 0.150 H 273.6°. Best body text is #FFFFFF at 10.90:1 contrast (WCAG AA passes).

Color values

HEX	#2B318D
RGB	rgb(43, 49, 141)
HSL	hsl(236, 53%, 36%)
HSV	hsv(236, 70%, 55%)
CMYK	cmyk(69.5%, 65.2%, 0%, 44.7%)
CIE-LAB	lab(25.66, 29.01, -51.81)
CIE-LCH	lch(25.66, 59.38, 299.25°)
OKLab	oklab(37.09% 0.0095 -0.1495)
OKLCH	oklch(37.09% 0.15 273.6)
XYZ	xyz(6.9007, 4.6327, 25.7247)
Luminance	0.0463 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B318D #8D872B

analogous

#2B628D #2B318D #562B8D

triadic

#2B318D #8D2B31 #318D2B

tetradic

#2B318D #8D2B62 #8D872B #2B8D56

square

#2B318D #8D2B62 #8D872B #2B8D56

split-complementary

#2B318D #8D562B #628D2B

monochromatic

#0E102F #1D215E #2B318D #3941BC #636ACF

Accessibility & contrast

On white

10.90

#2B318D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#2B318D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B318D

10.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B318D	#FFFFFF	#000000	##FFFFFF
##2B318D	1.00	10.90	1.93	10.90
#FFFFFF	10.90	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004190

Deuteranopia (green-blind)

#00388B

Tritanopia (blue-blind)

#00495A

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2b318d;
/* rgb */ color: rgb(43, 49, 141);
/* oklch */ color: oklch(37.1% 0.150 273.6);

Tailwind

colors: {
  custom: {
    50: '#7269af',
    500: '#2b318d',
    950: '#000000',
  },
}

SCSS

$custom: #2b318d;
$custom-light: #7269af;
$custom-dark: #000000;

JSON

{
  "hex": "#2b318d",
  "rgb": {
    "r": 43,
    "g": 49,
    "b": 141
  },
  "hsl": {
    "h": 236.327,
    "s": 53.261,
    "l": 36.078
  },
  "oklch": {
    "l": 0.37089,
    "c": 0.14981,
    "h": 273.6
  },
  "luminance": 0.04633
}

Semantic roles & 50–950 ramp

primary

#2B318D

secondary

#B6B05E

accent

#D44BDD

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #2B318D

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

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