#2D1B8B#2D1B8B

#2D1B8B is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.6% C 0.171 H 279.2°. Best body text is #FFFFFF at 12.80:1 contrast (WCAG AA passes).

Color values

HEX	#2D1B8B
RGB	rgb(45, 27, 139)
HSL	hsl(250, 67%, 33%)
HSV	hsv(250, 81%, 55%)
CMYK	cmyk(67.6%, 80.6%, 0%, 45.5%)
CIE-LAB	lab(20.85, 41.72, -58.47)
CIE-LCH	lch(20.85, 71.83, 305.51°)
OKLab	oklab(33.62% 0.0274 -0.1688)
OKLCH	oklch(33.62% 0.171 279.2)
XYZ	xyz(6.1328, 3.2053, 24.7166)
Luminance	0.0321 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D1B8B #798B1B

analogous

#1B418B #2D1B8B #651B8B

triadic

#2D1B8B #8B2D1B #1B8B2D

tetradic

#2D1B8B #8B1B41 #798B1B #1B8B65

square

#2D1B8B #8B1B41 #798B1B #1B8B65

split-complementary

#2D1B8B #8B651B #418B1B

monochromatic

#0C0725 #1C1158 #2D1B8B #3E25BE #5D45DB

Accessibility & contrast

On white

12.80

#2D1B8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#2D1B8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D1B8B

12.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D1B8B	#FFFFFF	#000000	##FFFFFF
##2D1B8B	1.00	12.80	1.64	12.80
#FFFFFF	12.80	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00368E

Deuteranopia (green-blind)

#002E89

Tritanopia (blue-blind)

#003D53

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #2d1b8b;
/* rgb */ color: rgb(45, 27, 139);
/* oklch */ color: oklch(33.6% 0.171 279.2);

Tailwind

colors: {
  custom: {
    50: '#745bae',
    500: '#2d1b8b',
    950: '#000000',
  },
}

SCSS

$custom: #2d1b8b;
$custom-light: #745bae;
$custom-dark: #000000;

JSON

{
  "hex": "#2d1b8b",
  "rgb": {
    "r": 45,
    "g": 27,
    "b": 139
  },
  "hsl": {
    "h": 249.643,
    "s": 67.47,
    "l": 32.549
  },
  "oklch": {
    "l": 0.33623,
    "c": 0.17106,
    "h": 279.2
  },
  "luminance": 0.03206
}

Semantic roles & 50–950 ramp

primary

#2D1B8B

secondary

#A9BC45

accent

#EA3DCF

background

#F7F5FA

surface

#EEE9F5

border

#C9C5CF

text

#090410

muted

#7B797F

Preview Lab

Preview with #2D1B8B

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

Preview Lab → · Contrast checker → · Palette generator →