#2D33B4#2D33B4

#2D33B4 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 41.4% C 0.198 H 271.8°. Best body text is #FFFFFF at 9.36:1 contrast (WCAG AA passes).

Color values

HEX	#2D33B4
RGB	rgb(45, 51, 180)
HSL	hsl(237, 60%, 44%)
HSV	hsv(237, 75%, 71%)
CMYK	cmyk(75%, 71.7%, 0%, 29.4%)
CIE-LAB	lab(29.96, 41.82, -68.42)
CIE-LCH	lch(29.96, 80.19, 301.43°)
OKLab	oklab(41.37% 0.0062 -0.198)
OKLCH	oklch(41.37% 0.198 271.8)
XYZ	xyz(10.5014, 6.2197, 43.8182)
Luminance	0.0622 (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

#2D33B4 #B4AE2D

analogous

#2D77B4 #2D33B4 #6B2DB4

triadic

#2D33B4 #B42D33 #33B42D

tetradic

#2D33B4 #B42D77 #B4AE2D #2DB46B

square

#2D33B4 #B42D77 #B4AE2D #2DB46B

split-complementary

#2D33B4 #B46B2D #77B42D

monochromatic

#151752 #212583 #2D33B4 #4C52D2 #7D81DE

Accessibility & contrast

On white

9.36

#2D33B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#2D33B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D33B4

9.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D33B4	#FFFFFF	#000000	##FFFFFF
##2D33B4	1.00	9.36	2.24	9.36
#FFFFFF	9.36	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DB8

Deuteranopia (green-blind)

#0040B2

Tritanopia (blue-blind)

#005770

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2d33b4;
/* rgb */ color: rgb(45, 51, 180);
/* oklch */ color: oklch(41.4% 0.198 271.8);

Tailwind

colors: {
  custom: {
    50: '#7c6ccc',
    500: '#2d33b4',
    950: '#000000',
  },
}

SCSS

$custom: #2d33b4;
$custom-light: #7c6ccc;
$custom-dark: #000000;

JSON

{
  "hex": "#2d33b4",
  "rgb": {
    "r": 45,
    "g": 51,
    "b": 180
  },
  "hsl": {
    "h": 237.333,
    "s": 60,
    "l": 44.118
  },
  "oklch": {
    "l": 0.41365,
    "c": 0.19811,
    "h": 271.8
  },
  "luminance": 0.06221
}

Semantic roles & 50–950 ramp

primary

#2D33B4

secondary

#C7C376

accent

#DC45E3

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2D33B4

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

Preview Lab → · Contrast checker → · Palette generator →