#2839A9#2839A9

#2839A9 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 41.0% C 0.179 H 269.6°. Best body text is #FFFFFF at 9.34:1 contrast (WCAG AA passes).

Color values

HEX	#2839A9
RGB	rgb(40, 57, 169)
HSL	hsl(232, 62%, 41%)
HSV	hsv(232, 76%, 66%)
CMYK	cmyk(76.3%, 66.3%, 0%, 33.7%)
CIE-LAB	lab(30.01, 33.69, -61.77)
CIE-LCH	lch(30.01, 70.36, 298.61°)
OKLab	oklab(41.01% -0.0011 -0.1787)
OKLCH	oklch(41.01% 0.179 269.6)
XYZ	xyz(9.4972, 6.2409, 38.2325)
Luminance	0.0624 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2839A9 #A99828

analogous

#2879A9 #2839A9 #5728A9

triadic

#2839A9 #A92839 #39A928

tetradic

#2839A9 #A92879 #A99828 #28A957

square

#2839A9 #A92879 #A99828 #28A957

split-complementary

#2839A9 #A95728 #79A928

monochromatic

#111846 #1C2878 #2839A9 #3D51D1 #6F7DDD

Accessibility & contrast

On white

9.34

#2839A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#2839A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2839A9

9.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2839A9	#FFFFFF	#000000	##FFFFFF
##2839A9	1.00	9.34	2.25	9.34
#FFFFFF	9.34	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DAD

Deuteranopia (green-blind)

#0041A7

Tritanopia (blue-blind)

#00576C

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2839a9;
/* rgb */ color: rgb(40, 57, 169);
/* oklch */ color: oklch(41.0% 0.179 269.6);

Tailwind

colors: {
  custom: {
    50: '#776fc4',
    500: '#2839a9',
    950: '#000000',
  },
}

SCSS

$custom: #2839a9;
$custom-light: #776fc4;
$custom-dark: #000000;

JSON

{
  "hex": "#2839a9",
  "rgb": {
    "r": 40,
    "g": 57,
    "b": 169
  },
  "hsl": {
    "h": 232.093,
    "s": 61.722,
    "l": 40.98
  },
  "oklch": {
    "l": 0.41011,
    "c": 0.17869,
    "h": 269.6
  },
  "luminance": 0.06242
}

Semantic roles & 50–950 ramp

primary

#2839A9

secondary

#C4B869

accent

#CF43E5

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2839A9

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

Preview Lab → · Contrast checker → · Palette generator →