#2D33B7#2D33B7

#2D33B7 is a dark, highly saturated blue. Relative luminance 0.063; OKLCH L 41.7% C 0.202 H 271.6°. Best body text is #FFFFFF at 9.26:1 contrast (WCAG AA passes).

Color values

HEX	#2D33B7
RGB	rgb(45, 51, 183)
HSL	hsl(237, 61%, 45%)
HSV	hsv(237, 75%, 72%)
CMYK	cmyk(75.4%, 72.1%, 0%, 28.2%)
CIE-LAB	lab(30.26, 42.85, -69.70)
CIE-LCH	lch(30.26, 81.82, 301.58°)
OKLab	oklab(41.67% 0.0058 -0.2018)
OKLCH	oklch(41.67% 0.202 271.6)
XYZ	xyz(10.8104, 6.3433, 45.4452)
Luminance	0.0634 (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

#2D33B7 #B7B12D

analogous

#2D78B7 #2D33B7 #6C2DB7

triadic

#2D33B7 #B72D33 #33B72D

tetradic

#2D33B7 #B72D78 #B7B12D #2DB76C

square

#2D33B7 #B72D78 #B7B12D #2DB76C

split-complementary

#2D33B7 #B76C2D #78B72D

monochromatic

#151855 #212586 #2D33B7 #4E54D3 #7F83DF

Accessibility & contrast

On white

9.26

#2D33B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#2D33B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D33B7

9.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D33B7	#FFFFFF	#000000	##FFFFFF
##2D33B7	1.00	9.26	2.27	9.26
#FFFFFF	9.26	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EBB

Deuteranopia (green-blind)

#0041B5

Tritanopia (blue-blind)

#005872

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2d33b7;
/* rgb */ color: rgb(45, 51, 183);
/* oklch */ color: oklch(41.7% 0.202 271.6);

Tailwind

colors: {
  custom: {
    50: '#7c6cce',
    500: '#2d33b7',
    950: '#000000',
  },
}

SCSS

$custom: #2d33b7;
$custom-light: #7c6cce;
$custom-dark: #000000;

JSON

{
  "hex": "#2d33b7",
  "rgb": {
    "r": 45,
    "g": 51,
    "b": 183
  },
  "hsl": {
    "h": 237.391,
    "s": 60.526,
    "l": 44.706
  },
  "oklch": {
    "l": 0.41672,
    "c": 0.20183,
    "h": 271.6
  },
  "luminance": 0.06344
}

Semantic roles & 50–950 ramp

primary

#2D33B7

secondary

#C8C578

accent

#DD44E4

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0714

muted

#7C7A82

Preview Lab

Preview with #2D33B7

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

Preview Lab → · Contrast checker → · Palette generator →