#2D33B1#2D33B1

#2D33B1 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 41.1% C 0.194 H 272.0°. Best body text is #FFFFFF at 9.46:1 contrast (WCAG AA passes).

Color values

HEX	#2D33B1
RGB	rgb(45, 51, 177)
HSL	hsl(237, 59%, 44%)
HSV	hsv(237, 75%, 69%)
CMYK	cmyk(74.6%, 71.2%, 0%, 30.6%)
CIE-LAB	lab(29.66, 40.79, -67.12)
CIE-LCH	lch(29.66, 78.54, 301.28°)
OKLab	oklab(41.06% 0.0066 -0.1942)
OKLCH	oklch(41.06% 0.194 272)
XYZ	xyz(10.1991, 6.0988, 42.2261)
Luminance	0.0610 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D33B1 #B1AB2D

analogous

#2D75B1 #2D33B1 #692DB1

triadic

#2D33B1 #B12D33 #33B12D

tetradic

#2D33B1 #B12D75 #B1AB2D #2DB169

square

#2D33B1 #B12D75 #B1AB2D #2DB169

split-complementary

#2D33B1 #B1692D #75B12D

monochromatic

#14174F #212580 #2D33B1 #4A50D1 #7B7FDD

Accessibility & contrast

On white

9.46

#2D33B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#2D33B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D33B1

9.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D33B1	#FFFFFF	#000000	##FFFFFF
##2D33B1	1.00	9.46	2.22	9.46
#FFFFFF	9.46	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CB5

Deuteranopia (green-blind)

#003FAF

Tritanopia (blue-blind)

#00566E

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2d33b1;
/* rgb */ color: rgb(45, 51, 177);
/* oklch */ color: oklch(41.1% 0.194 272.0);

Tailwind

colors: {
  custom: {
    50: '#7b6bc9',
    500: '#2d33b1',
    950: '#000000',
  },
}

SCSS

$custom: #2d33b1;
$custom-light: #7b6bc9;
$custom-dark: #000000;

JSON

{
  "hex": "#2d33b1",
  "rgb": {
    "r": 45,
    "g": 51,
    "b": 177
  },
  "hsl": {
    "h": 237.273,
    "s": 59.459,
    "l": 43.529
  },
  "oklch": {
    "l": 0.4106,
    "c": 0.19435,
    "h": 272
  },
  "luminance": 0.061
}

Semantic roles & 50–950 ramp

primary

#2D33B1

secondary

#C6C274

accent

#DB45E3

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2D33B1

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

Preview Lab → · Contrast checker → · Palette generator →