#2B43AB#2B43AB

#2B43AB is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.2% C 0.169 H 268.4°. Best body text is #FFFFFF at 8.42:1 contrast (WCAG AA passes).

Color values

HEX	#2B43AB
RGB	rgb(43, 67, 171)
HSL	hsl(229, 60%, 42%)
HSV	hsv(229, 75%, 67%)
CMYK	cmyk(74.9%, 60.8%, 0%, 32.9%)
CIE-LAB	lab(32.85, 28.23, -58.32)
CIE-LCH	lch(32.85, 64.79, 295.83°)
OKLab	oklab(43.19% -0.0048 -0.1684)
OKLCH	oklch(43.19% 0.169 268.4)
XYZ	xyz(10.3516, 7.4671, 39.4159)
Luminance	0.0747 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B43AB #AB932B

analogous

#2B83AB #2B43AB #532BAB

triadic

#2B43AB #AB2B43 #43AB2B

tetradic

#2B43AB #AB2B83 #AB932B #2BAB53

square

#2B43AB #AB2B83 #AB932B #2BAB53

split-complementary

#2B43AB #AB532B #83AB2B

monochromatic

#121D49 #1F307A #2B43AB #435ED0 #7488DC

Accessibility & contrast

On white

8.42

#2B43AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#2B43AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B43AB

8.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B43AB	#FFFFFF	#000000	##FFFFFF
##2B43AB	1.00	8.42	2.49	8.42
#FFFFFF	8.42	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053AE

Deuteranopia (green-blind)

#0047A9

Tritanopia (blue-blind)

#005D70

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2b43ab;
/* rgb */ color: rgb(43, 67, 171);
/* oklch */ color: oklch(43.2% 0.169 268.4);

Tailwind

colors: {
  custom: {
    50: '#7776c5',
    500: '#2b43ab',
    950: '#000000',
  },
}

SCSS

$custom: #2b43ab;
$custom-light: #7776c5;
$custom-dark: #000000;

JSON

{
  "hex": "#2b43ab",
  "rgb": {
    "r": 43,
    "g": 67,
    "b": 171
  },
  "hsl": {
    "h": 228.75,
    "s": 59.813,
    "l": 41.961
  },
  "oklch": {
    "l": 0.43194,
    "c": 0.1685,
    "h": 268.4
  },
  "luminance": 0.07468
}

Semantic roles & 50–950 ramp

primary

#2B43AB

secondary

#C4B46E

accent

#C545E3

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2B43AB

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

Preview Lab → · Contrast checker → · Palette generator →