#2B33AF#2B33AF

#2B33AF is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.7% C 0.192 H 271.4°. Best body text is #FFFFFF at 9.57:1 contrast (WCAG AA passes).

Color values

HEX	#2B33AF
RGB	rgb(43, 51, 175)
HSL	hsl(236, 61%, 43%)
HSV	hsv(236, 75%, 69%)
CMYK	cmyk(75.4%, 70.9%, 0%, 31.4%)
CIE-LAB	lab(29.35, 39.90, -66.44)
CIE-LCH	lch(29.35, 77.50, 300.98°)
OKLab	oklab(40.75% 0.0047 -0.1923)
OKLCH	oklch(40.75% 0.192 271.4)
XYZ	xyz(9.9153, 5.9753, 41.1799)
Luminance	0.0598 (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

#2B33AF #AFA72B

analogous

#2B75AF #2B33AF #652BAF

triadic

#2B33AF #AF2B33 #33AF2B

tetradic

#2B33AF #AF2B75 #AFA72B #2BAF65

square

#2B33AF #AF2B75 #AFA72B #2BAF65

split-complementary

#2B33AF #AF652B #75AF2B

monochromatic

#13164D #1F257E #2B33AF #464ED1 #777DDE

Accessibility & contrast

On white

9.57

#2B33AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#2B33AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B33AF

9.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B33AF	#FFFFFF	#000000	##FFFFFF
##2B33AF	1.00	9.57	2.20	9.57
#FFFFFF	9.57	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CB3

Deuteranopia (green-blind)

#003FAD

Tritanopia (blue-blind)

#00566D

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2b33af;
/* rgb */ color: rgb(43, 51, 175);
/* oklch */ color: oklch(40.7% 0.192 271.4);

Tailwind

colors: {
  custom: {
    50: '#7a6bc8',
    500: '#2b33af',
    950: '#000000',
  },
}

SCSS

$custom: #2b33af;
$custom-light: #7a6bc8;
$custom-dark: #000000;

JSON

{
  "hex": "#2b33af",
  "rgb": {
    "r": 43,
    "g": 51,
    "b": 175
  },
  "hsl": {
    "h": 236.364,
    "s": 60.55,
    "l": 42.745
  },
  "oklch": {
    "l": 0.40747,
    "c": 0.19236,
    "h": 271.4
  },
  "luminance": 0.05976
}

Semantic roles & 50–950 ramp

primary

#2B33AF

secondary

#C5C070

accent

#DA44E4

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2B33AF

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

Preview Lab → · Contrast checker → · Palette generator →