#2C33B8#2C33B8

#2C33B8 is a dark, highly saturated blue. Relative luminance 0.064; OKLCH L 41.7% C 0.203 H 271.3°. Best body text is #FFFFFF at 9.24:1 contrast (WCAG AA passes).

Color values

HEX	#2C33B8
RGB	rgb(44, 51, 184)
HSL	hsl(237, 61%, 45%)
HSV	hsv(237, 76%, 72%)
CMYK	cmyk(76.1%, 72.3%, 0%, 27.8%)
CIE-LAB	lab(30.31, 43.10, -70.22)
CIE-LCH	lch(30.31, 82.39, 301.54°)
OKLab	oklab(41.72% 0.0045 -0.2033)
OKLCH	oklch(41.72% 0.203 271.3)
XYZ	xyz(10.8713, 6.3626, 45.9933)
Luminance	0.0636 (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

#2C33B8 #B8B12C

analogous

#2C79B8 #2C33B8 #6B2CB8

triadic

#2C33B8 #B82C33 #33B82C

tetradic

#2C33B8 #B82C79 #B8B12C #2CB86B

square

#2C33B8 #B82C79 #B8B12C #2CB86B

split-complementary

#2C33B8 #B86B2C #79B82C

monochromatic

#141855 #202587 #2C33B8 #4D54D4 #7E83E0

Accessibility & contrast

On white

9.24

#2C33B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#2C33B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C33B8

9.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C33B8	#FFFFFF	#000000	##FFFFFF
##2C33B8	1.00	9.24	2.27	9.24
#FFFFFF	9.24	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EBC

Deuteranopia (green-blind)

#0040B6

Tritanopia (blue-blind)

#005972

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2c33b8;
/* rgb */ color: rgb(44, 51, 184);
/* oklch */ color: oklch(41.7% 0.203 271.3);

Tailwind

colors: {
  custom: {
    50: '#7c6ccf',
    500: '#2c33b8',
    950: '#000000',
  },
}

SCSS

$custom: #2c33b8;
$custom-light: #7c6ccf;
$custom-dark: #000000;

JSON

{
  "hex": "#2c33b8",
  "rgb": {
    "r": 44,
    "g": 51,
    "b": 184
  },
  "hsl": {
    "h": 237,
    "s": 61.404,
    "l": 44.706
  },
  "oklch": {
    "l": 0.41721,
    "c": 0.20333,
    "h": 271.3
  },
  "luminance": 0.06364
}

Semantic roles & 50–950 ramp

primary

#2C33B8

secondary

#C9C577

accent

#DC43E5

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0714

muted

#7C7A82

Preview Lab

Preview with #2C33B8

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

Preview Lab → · Contrast checker → · Palette generator →