#2D33B3#2D33B3

#2D33B3 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 41.3% C 0.197 H 271.8°. Best body text is #FFFFFF at 9.39:1 contrast (WCAG AA passes).

Color values

HEX	#2D33B3
RGB	rgb(45, 51, 179)
HSL	hsl(237, 60%, 44%)
HSV	hsv(237, 75%, 70%)
CMYK	cmyk(74.9%, 71.5%, 0%, 29.8%)
CIE-LAB	lab(29.86, 41.48, -67.99)
CIE-LCH	lch(29.86, 79.64, 301.39°)
OKLab	oklab(41.26% 0.0063 -0.1967)
OKLCH	oklch(41.26% 0.197 271.8)
XYZ	xyz(10.3999, 6.1791, 43.2837)
Luminance	0.0618 (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

#2D33B3 #B3AD2D

analogous

#2D76B3 #2D33B3 #6A2DB3

triadic

#2D33B3 #B32D33 #33B32D

tetradic

#2D33B3 #B32D76 #B3AD2D #2DB36A

square

#2D33B3 #B32D76 #B3AD2D #2DB36A

split-complementary

#2D33B3 #B36A2D #76B32D

monochromatic

#141751 #212582 #2D33B3 #4B51D2 #7C81DE

Accessibility & contrast

On white

9.39

#2D33B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#2D33B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D33B3

9.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D33B3	#FFFFFF	#000000	##FFFFFF
##2D33B3	1.00	9.39	2.24	9.39
#FFFFFF	9.39	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DB7

Deuteranopia (green-blind)

#0040B1

Tritanopia (blue-blind)

#00576F

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2d33b3;
/* rgb */ color: rgb(45, 51, 179);
/* oklch */ color: oklch(41.3% 0.197 271.8);

Tailwind

colors: {
  custom: {
    50: '#7b6ccb',
    500: '#2d33b3',
    950: '#000000',
  },
}

SCSS

$custom: #2d33b3;
$custom-light: #7b6ccb;
$custom-dark: #000000;

JSON

{
  "hex": "#2d33b3",
  "rgb": {
    "r": 45,
    "g": 51,
    "b": 179
  },
  "hsl": {
    "h": 237.313,
    "s": 59.821,
    "l": 43.922
  },
  "oklch": {
    "l": 0.41263,
    "c": 0.19685,
    "h": 271.8
  },
  "luminance": 0.0618
}

Semantic roles & 50–950 ramp

primary

#2D33B3

secondary

#C7C375

accent

#DC45E3

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2D33B3

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

Preview Lab → · Contrast checker → · Palette generator →