#2D33B8#2D33B8

#2D33B8 is a dark, highly saturated blue. Relative luminance 0.064; OKLCH L 41.8% C 0.203 H 271.6°. Best body text is #FFFFFF at 9.22:1 contrast (WCAG AA passes).

Color values

HEX	#2D33B8
RGB	rgb(45, 51, 184)
HSL	hsl(237, 61%, 45%)
HSV	hsv(237, 76%, 72%)
CMYK	cmyk(75.5%, 72.3%, 0%, 27.8%)
CIE-LAB	lab(30.36, 43.19, -70.13)
CIE-LCH	lch(30.36, 82.36, 301.63°)
OKLab	oklab(41.78% 0.0056 -0.203)
OKLCH	oklch(41.78% 0.203 271.6)
XYZ	xyz(10.9148, 6.3851, 45.9953)
Luminance	0.0639 (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

#2D33B8 #B8B22D

analogous

#2D79B8 #2D33B8 #6C2DB8

triadic

#2D33B8 #B82D33 #33B82D

tetradic

#2D33B8 #B82D79 #B8B22D #2DB86C

square

#2D33B8 #B82D79 #B8B22D #2DB86C

split-complementary

#2D33B8 #B86C2D #79B82D

monochromatic

#151856 #212587 #2D33B8 #4E54D4 #8084E0

Accessibility & contrast

On white

9.22

#2D33B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#2D33B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D33B8

9.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D33B8	#FFFFFF	#000000	##FFFFFF
##2D33B8	1.00	9.22	2.28	9.22
#FFFFFF	9.22	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EBC

Deuteranopia (green-blind)

#0041B6

Tritanopia (blue-blind)

#005972

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2d33b8;
/* rgb */ color: rgb(45, 51, 184);
/* oklch */ color: oklch(41.8% 0.203 271.6);

Tailwind

colors: {
  custom: {
    50: '#7d6ccf',
    500: '#2d33b8',
    950: '#000000',
  },
}

SCSS

$custom: #2d33b8;
$custom-light: #7d6ccf;
$custom-dark: #000000;

JSON

{
  "hex": "#2d33b8",
  "rgb": {
    "r": 45,
    "g": 51,
    "b": 184
  },
  "hsl": {
    "h": 237.41,
    "s": 60.699,
    "l": 44.902
  },
  "oklch": {
    "l": 0.41775,
    "c": 0.20307,
    "h": 271.6
  },
  "luminance": 0.06386
}

Semantic roles & 50–950 ramp

primary

#2D33B8

secondary

#C9C578

accent

#DD44E4

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0714

muted

#7C7A82

Preview Lab

Preview with #2D33B8

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

Preview Lab → · Contrast checker → · Palette generator →