#2A39AB#2A39AB

#2A39AB is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.3% C 0.181 H 270.2°. Best body text is #FFFFFF at 9.24:1 contrast (WCAG AA passes).

Color values

HEX	#2A39AB
RGB	rgb(42, 57, 171)
HSL	hsl(233, 61%, 42%)
HSV	hsv(233, 75%, 67%)
CMYK	cmyk(75.4%, 66.7%, 0%, 32.9%)
CIE-LAB	lab(30.30, 34.63, -62.49)
CIE-LCH	lch(30.30, 71.45, 298.99°)
OKLab	oklab(41.3% 0.0007 -0.1808)
OKLCH	oklch(41.3% 0.181 270.2)
XYZ	xyz(9.7661, 6.3577, 39.2326)
Luminance	0.0636 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.66

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A39AB #AB9C2A

analogous

#2A7AAB #2A39AB #5C2AAB

triadic

#2A39AB #AB2A39 #39AB2A

tetradic

#2A39AB #AB2A7A #AB9C2A #2AAB5C

square

#2A39AB #AB2A7A #AB9C2A #2AAB5C

split-complementary

#2A39AB #AB5C2A #7AAB2A

monochromatic

#121849 #1E297A #2A39AB #4252D1 #737FDD

Accessibility & contrast

On white

9.24

#2A39AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#2A39AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A39AB

9.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A39AB	#FFFFFF	#000000	##FFFFFF
##2A39AB	1.00	9.24	2.27	9.24
#FFFFFF	9.24	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EAF

Deuteranopia (green-blind)

#0041A9

Tritanopia (blue-blind)

#00576D

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2a39ab;
/* rgb */ color: rgb(42, 57, 171);
/* oklch */ color: oklch(41.3% 0.181 270.2);

Tailwind

colors: {
  custom: {
    50: '#786fc5',
    500: '#2a39ab',
    950: '#000000',
  },
}

SCSS

$custom: #2a39ab;
$custom-light: #786fc5;
$custom-dark: #000000;

JSON

{
  "hex": "#2a39ab",
  "rgb": {
    "r": 42,
    "g": 57,
    "b": 171
  },
  "hsl": {
    "h": 233.023,
    "s": 60.563,
    "l": 41.765
  },
  "oklch": {
    "l": 0.41303,
    "c": 0.18077,
    "h": 270.2
  },
  "luminance": 0.06359
}

Semantic roles & 50–950 ramp

primary

#2A39AB

secondary

#C4BA6D

accent

#D144E4

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2A39AB

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

Preview Lab → · Contrast checker → · Palette generator →