#2839AB#2839AB

#2839AB is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.2% C 0.181 H 269.6°. Best body text is #FFFFFF at 9.28:1 contrast (WCAG AA passes).

Color values

HEX	#2839AB
RGB	rgb(40, 57, 171)
HSL	hsl(232, 62%, 41%)
HSV	hsv(232, 77%, 67%)
CMYK	cmyk(76.6%, 66.7%, 0%, 32.9%)
CIE-LAB	lab(30.20, 34.42, -62.66)
CIE-LCH	lch(30.20, 71.49, 298.78°)
OKLab	oklab(41.2% -0.0013 -0.1813)
OKLCH	oklch(41.2% 0.181 269.6)
XYZ	xyz(9.6864, 6.3166, 39.2289)
Luminance	0.0632 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.82

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2839AB #AB9A28

analogous

#287BAB #2839AB #5928AB

triadic

#2839AB #AB2839 #39AB28

tetradic

#2839AB #AB287B #AB9A28 #28AB59

square

#2839AB #AB287B #AB9A28 #28AB59

split-complementary

#2839AB #AB5928 #7BAB28

monochromatic

#111848 #1C2879 #2839AB #3E51D2 #707EDE

Accessibility & contrast

On white

9.28

#2839AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#2839AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2839AB

9.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2839AB	#FFFFFF	#000000	##FFFFFF
##2839AB	1.00	9.28	2.26	9.28
#FFFFFF	9.28	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DAF

Deuteranopia (green-blind)

#0041A9

Tritanopia (blue-blind)

#00586D

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2839ab;
/* rgb */ color: rgb(40, 57, 171);
/* oklch */ color: oklch(41.2% 0.181 269.6);

Tailwind

colors: {
  custom: {
    50: '#776fc5',
    500: '#2839ab',
    950: '#000000',
  },
}

SCSS

$custom: #2839ab;
$custom-light: #776fc5;
$custom-dark: #000000;

JSON

{
  "hex": "#2839ab",
  "rgb": {
    "r": 40,
    "g": 57,
    "b": 171
  },
  "hsl": {
    "h": 232.214,
    "s": 62.085,
    "l": 41.373
  },
  "oklch": {
    "l": 0.41203,
    "c": 0.1813,
    "h": 269.6
  },
  "luminance": 0.06318
}

Semantic roles & 50–950 ramp

primary

#2839AB

secondary

#C4B96A

accent

#D043E5

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2839AB

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

Preview Lab → · Contrast checker → · Palette generator →