#2839AF#2839AF

#2839AF is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.6% C 0.187 H 269.5°. Best body text is #FFFFFF at 9.15:1 contrast (WCAG AA passes).

Color values

HEX	#2839AF
RGB	rgb(40, 57, 175)
HSL	hsl(232, 63%, 42%)
HSV	hsv(232, 77%, 69%)
CMYK	cmyk(77.1%, 67.4%, 0%, 31.4%)
CIE-LAB	lab(30.57, 35.88, -64.44)
CIE-LCH	lch(30.57, 73.75, 299.11°)
OKLab	oklab(41.59% -0.0016 -0.1865)
OKLCH	oklch(41.59% 0.187 269.5)
XYZ	xyz(10.0734, 6.4714, 41.2673)
Luminance	0.0647 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.41

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2839AF #AF9E28

analogous

#287DAF #2839AF #5A28AF

triadic

#2839AF #AF2839 #39AF28

tetradic

#2839AF #AF287D #AF9E28 #28AF5A

square

#2839AF #AF287D #AF9E28 #28AF5A

split-complementary

#2839AF #AF5A28 #7DAF28

monochromatic

#11194B #1D297D #2839AF #4153D4 #7380DF

Accessibility & contrast

On white

9.15

#2839AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#2839AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2839AF

9.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2839AF	#FFFFFF	#000000	##FFFFFF
##2839AF	1.00	9.15	2.29	9.15
#FFFFFF	9.15	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EB3

Deuteranopia (green-blind)

#0042AD

Tritanopia (blue-blind)

#00596F

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2839af;
/* rgb */ color: rgb(40, 57, 175);
/* oklch */ color: oklch(41.6% 0.187 269.5);

Tailwind

colors: {
  custom: {
    50: '#786fc8',
    500: '#2839af',
    950: '#000000',
  },
}

SCSS

$custom: #2839af;
$custom-light: #786fc8;
$custom-dark: #000000;

JSON

{
  "hex": "#2839af",
  "rgb": {
    "r": 40,
    "g": 57,
    "b": 175
  },
  "hsl": {
    "h": 232.444,
    "s": 62.791,
    "l": 42.157
  },
  "oklch": {
    "l": 0.4159,
    "c": 0.18651,
    "h": 269.5
  },
  "luminance": 0.06473
}

Semantic roles & 50–950 ramp

primary

#2839AF

secondary

#C6BB6D

accent

#D142E6

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2839AF

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

Preview Lab → · Contrast checker → · Palette generator →