#2A42AB#2A42AB

#2A42AB is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.0% C 0.170 H 268.3°. Best body text is #FFFFFF at 8.52:1 contrast (WCAG AA passes).

Color values

HEX	#2A42AB
RGB	rgb(42, 66, 171)
HSL	hsl(229, 61%, 42%)
HSV	hsv(229, 75%, 67%)
CMYK	cmyk(75.4%, 61.4%, 0%, 32.9%)
CIE-LAB	lab(32.54, 28.77, -58.82)
CIE-LCH	lch(32.54, 65.48, 296.06°)
OKLab	oklab(42.96% -0.0051 -0.1699)
OKLCH	oklch(42.96% 0.17 268.3)
XYZ	xyz(10.2512, 7.3278, 39.3943)
Luminance	0.0733 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A42AB #AB932A

analogous

#2A83AB #2A42AB #532AAB

triadic

#2A42AB #AB2A42 #42AB2A

tetradic

#2A42AB #AB2A83 #AB932A #2AAB53

square

#2A42AB #AB2A83 #AB932A #2AAB53

split-complementary

#2A42AB #AB532A #83AB2A

monochromatic

#121C49 #1E2F7A #2A42AB #425CD1 #7387DD

Accessibility & contrast

On white

8.52

#2A42AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#2A42AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A42AB

8.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A42AB	#FFFFFF	#000000	##FFFFFF
##2A42AB	1.00	8.52	2.47	8.52
#FFFFFF	8.52	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.52	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: #2a42ab;
/* rgb */ color: rgb(42, 66, 171);
/* oklch */ color: oklch(43.0% 0.170 268.3);

Tailwind

colors: {
  custom: {
    50: '#7776c5',
    500: '#2a42ab',
    950: '#000000',
  },
}

SCSS

$custom: #2a42ab;
$custom-light: #7776c5;
$custom-dark: #000000;

JSON

{
  "hex": "#2a42ab",
  "rgb": {
    "r": 42,
    "g": 66,
    "b": 171
  },
  "hsl": {
    "h": 228.837,
    "s": 60.563,
    "l": 41.765
  },
  "oklch": {
    "l": 0.42955,
    "c": 0.17001,
    "h": 268.3
  },
  "luminance": 0.07329
}

Semantic roles & 50–950 ramp

primary

#2A42AB

secondary

#C4B46D

accent

#C644E4

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2A42AB

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

Preview Lab → · Contrast checker → · Palette generator →