#2B33CA#2B33CA

#2B33CA is a dark, highly saturated blue. Relative luminance 0.071; OKLCH L 43.6% C 0.225 H 270.2°. Best body text is #FFFFFF at 8.64:1 contrast (WCAG AA passes).

Color values

HEX	#2B33CA
RGB	rgb(43, 51, 202)
HSL	hsl(237, 65%, 48%)
HSV	hsv(237, 79%, 79%)
CMYK	cmyk(78.7%, 74.8%, 0%, 20.8%)
CIE-LAB	lab(32.13, 49.07, -77.79)
CIE-LCH	lch(32.13, 91.97, 302.24°)
OKLab	oklab(43.56% 0.0008 -0.2253)
OKLCH	oklch(43.56% 0.225 270.2)
XYZ	xyz(12.8371, 7.1441, 56.5680)
Luminance	0.0715 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue Blue

#2242C7

ΔE00 4.22

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B33CA #CAC22B

analogous

#2B82CA #2B33CA #722BCA

triadic

#2B33CA #CA2B33 #33CA2B

tetradic

#2B33CA #CA2B82 #CAC22B #2BCA72

square

#2B33CA #CA2B82 #CAC22B #2BCA72

split-complementary

#2B33CA #CA722B #82CA2B

monochromatic

#161A65 #202698 #2B33CA #575EDB #898EE6

Accessibility & contrast

On white

8.64

#2B33CA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#2B33CA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B33CA

8.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B33CA	#FFFFFF	#000000	##FFFFFF
##2B33CA	1.00	8.64	2.43	8.64
#FFFFFF	8.64	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053CE

Deuteranopia (green-blind)

#0044C7

Tritanopia (blue-blind)

#00607C

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2b33ca;
/* rgb */ color: rgb(43, 51, 202);
/* oklch */ color: oklch(43.6% 0.225 270.2);

Tailwind

colors: {
  custom: {
    50: '#806cdc',
    500: '#2b33ca',
    950: '#000000',
  },
}

SCSS

$custom: #2b33ca;
$custom-light: #806cdc;
$custom-dark: #000000;

JSON

{
  "hex": "#2b33ca",
  "rgb": {
    "r": 43,
    "g": 51,
    "b": 202
  },
  "hsl": {
    "h": 236.981,
    "s": 64.898,
    "l": 48.039
  },
  "oklch": {
    "l": 0.43563,
    "c": 0.22532,
    "h": 270.2
  },
  "luminance": 0.07146
}

Semantic roles & 50–950 ramp

primary

#2B33CA

secondary

#D0CC81

accent

#DF40E8

background

#F8F6FD

surface

#F0EBFB

border

#CBC6D4

text

#0C0715

muted

#7D7A83

Preview Lab

Preview with #2B33CA

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

Preview Lab → · Contrast checker → · Palette generator →