#2B42AB#2B42AB

#2B42AB is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.0% C 0.170 H 268.6°. Best body text is #FFFFFF at 8.50:1 contrast (WCAG AA passes).

Color values

HEX	#2B42AB
RGB	rgb(43, 66, 171)
HSL	hsl(229, 60%, 42%)
HSV	hsv(229, 75%, 67%)
CMYK	cmyk(74.9%, 61.4%, 0%, 32.9%)
CIE-LAB	lab(32.59, 28.89, -58.74)
CIE-LCH	lch(32.59, 65.46, 296.19°)
OKLab	oklab(43% -0.0041 -0.1697)
OKLCH	oklch(43% 0.17 268.6)
XYZ	xyz(10.2926, 7.3492, 39.3963)
Luminance	0.0735 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B42AB #AB942B

analogous

#2B82AB #2B42AB #542BAB

triadic

#2B42AB #AB2B42 #42AB2B

tetradic

#2B42AB #AB2B82 #AB942B #2BAB54

square

#2B42AB #AB2B82 #AB942B #2BAB54

split-complementary

#2B42AB #AB542B #82AB2B

monochromatic

#121C49 #1F2F7A #2B42AB #435DD0 #7487DC

Accessibility & contrast

On white

8.50

#2B42AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#2B42AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B42AB

8.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B42AB	#FFFFFF	#000000	##FFFFFF
##2B42AB	1.00	8.50	2.47	8.50
#FFFFFF	8.50	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.50	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: #2b42ab;
/* rgb */ color: rgb(43, 66, 171);
/* oklch */ color: oklch(43.0% 0.170 268.6);

Tailwind

colors: {
  custom: {
    50: '#7776c5',
    500: '#2b42ab',
    950: '#000000',
  },
}

SCSS

$custom: #2b42ab;
$custom-light: #7776c5;
$custom-dark: #000000;

JSON

{
  "hex": "#2b42ab",
  "rgb": {
    "r": 43,
    "g": 66,
    "b": 171
  },
  "hsl": {
    "h": 229.219,
    "s": 59.813,
    "l": 41.961
  },
  "oklch": {
    "l": 0.43003,
    "c": 0.16973,
    "h": 268.6
  },
  "luminance": 0.0735
}

Semantic roles & 50–950 ramp

primary

#2B42AB

secondary

#C4B46E

accent

#C745E3

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2B42AB

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

Preview Lab → · Contrast checker → · Palette generator →