#2B33C0#2B33C0

#2B33C0 is a dark, highly saturated blue. Relative luminance 0.067; OKLCH L 42.5% C 0.213 H 270.6°. Best body text is #FFFFFF at 8.98:1 contrast (WCAG AA passes).

Color values

HEX	#2B33C0
RGB	rgb(43, 51, 192)
HSL	hsl(237, 63%, 46%)
HSV	hsv(237, 78%, 75%)
CMYK	cmyk(77.6%, 73.4%, 0%, 24.7%)
CIE-LAB	lab(31.08, 45.73, -73.67)
CIE-LCH	lch(31.08, 86.71, 301.83°)
OKLab	oklab(42.5% 0.0023 -0.2133)
OKLCH	oklch(42.5% 0.213 270.6)
XYZ	xyz(11.6913, 6.6857, 50.5333)
Luminance	0.0669 (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

#2B33C0 #C0B82B

analogous

#2B7DC0 #2B33C0 #6E2BC0

triadic

#2B33C0 #C02B33 #33C02B

tetradic

#2B33C0 #C02B7D #C0B82B #2BC06E

square

#2B33C0 #C02B7D #C0B82B #2BC06E

split-complementary

#2B33C0 #C06E2B #7DC02B

monochromatic

#15185C #20268E #2B33C0 #5058D8 #8288E3

Accessibility & contrast

On white

8.98

#2B33C0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#2B33C0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B33C0

8.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B33C0	#FFFFFF	#000000	##FFFFFF
##2B33C0	1.00	8.98	2.34	8.98
#FFFFFF	8.98	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050C4

Deuteranopia (green-blind)

#0042BD

Tritanopia (blue-blind)

#005C77

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2b33c0;
/* rgb */ color: rgb(43, 51, 192);
/* oklch */ color: oklch(42.5% 0.213 270.6);

Tailwind

colors: {
  custom: {
    50: '#7e6cd4',
    500: '#2b33c0',
    950: '#000000',
  },
}

SCSS

$custom: #2b33c0;
$custom-light: #7e6cd4;
$custom-dark: #000000;

JSON

{
  "hex": "#2b33c0",
  "rgb": {
    "r": 43,
    "g": 51,
    "b": 192
  },
  "hsl": {
    "h": 236.779,
    "s": 63.404,
    "l": 46.078
  },
  "oklch": {
    "l": 0.42503,
    "c": 0.21336,
    "h": 270.6
  },
  "luminance": 0.06687
}

Semantic roles & 50–950 ramp

primary

#2B33C0

secondary

#CCC87B

accent

#DE41E6

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #2B33C0

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

Preview Lab → · Contrast checker → · Palette generator →