#2C33B0#2C33B0

#2C33B0 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.9% C 0.193 H 271.7°. Best body text is #FFFFFF at 9.51:1 contrast (WCAG AA passes).

Color values

HEX	#2C33B0
RGB	rgb(44, 51, 176)
HSL	hsl(237, 60%, 43%)
HSV	hsv(237, 75%, 69%)
CMYK	cmyk(75%, 71%, 0%, 31%)
CIE-LAB	lab(29.50, 40.34, -66.79)
CIE-LCH	lch(29.50, 78.03, 301.14°)
OKLab	oklab(40.9% 0.0056 -0.1933)
OKLCH	oklch(40.9% 0.193 271.7)
XYZ	xyz(10.0564, 6.0367, 41.7011)
Luminance	0.0604 (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

#2C33B0 #B0A92C

analogous

#2C75B0 #2C33B0 #672CB0

triadic

#2C33B0 #B02C33 #33B02C

tetradic

#2C33B0 #B02C75 #B0A92C #2CB067

square

#2C33B0 #B02C75 #B0A92C #2CB067

split-complementary

#2C33B0 #B0672C #75B02C

monochromatic

#14174E #20257F #2C33B0 #484FD1 #797EDD

Accessibility & contrast

On white

9.51

#2C33B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#2C33B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C33B0

9.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C33B0	#FFFFFF	#000000	##FFFFFF
##2C33B0	1.00	9.51	2.21	9.51
#FFFFFF	9.51	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CB4

Deuteranopia (green-blind)

#003FAE

Tritanopia (blue-blind)

#00566E

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2c33b0;
/* rgb */ color: rgb(44, 51, 176);
/* oklch */ color: oklch(40.9% 0.193 271.7);

Tailwind

colors: {
  custom: {
    50: '#7a6bc9',
    500: '#2c33b0',
    950: '#000000',
  },
}

SCSS

$custom: #2c33b0;
$custom-light: #7a6bc9;
$custom-dark: #000000;

JSON

{
  "hex": "#2c33b0",
  "rgb": {
    "r": 44,
    "g": 51,
    "b": 176
  },
  "hsl": {
    "h": 236.818,
    "s": 60,
    "l": 43.137
  },
  "oklch": {
    "l": 0.40903,
    "c": 0.19335,
    "h": 271.7
  },
  "luminance": 0.06038
}

Semantic roles & 50–950 ramp

primary

#2C33B0

secondary

#C6C172

accent

#DB45E3

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2C33B0

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

Preview Lab → · Contrast checker → · Palette generator →