#2639B0#2639B0

#2639B0 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.6% C 0.188 H 268.9°. Best body text is #FFFFFF at 9.15:1 contrast (WCAG AA passes).

Color values

HEX	#2639B0
RGB	rgb(38, 57, 176)
HSL	hsl(232, 64%, 42%)
HSV	hsv(232, 78%, 69%)
CMYK	cmyk(78.4%, 67.6%, 0%, 31%)
CIE-LAB	lab(30.57, 36.05, -65.04)
CIE-LCH	lch(30.57, 74.36, 299.00°)
OKLab	oklab(41.59% -0.0035 -0.1883)
OKLCH	oklch(41.59% 0.188 268.9)
XYZ	xyz(10.0962, 6.4718, 41.7829)
Luminance	0.0647 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.47

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2639B0 #B09D26

analogous

#267EB0 #2639B0 #5826B0

triadic

#2639B0 #B02639 #39B026

tetradic

#2639B0 #B0267E #B09D26 #26B058

square

#2639B0 #B0267E #B09D26 #26B058

split-complementary

#2639B0 #B05826 #7EB026

monochromatic

#10184B #1B297E #2639B0 #3E53D5 #7080E0

Accessibility & contrast

On white

9.15

#2639B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#2639B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2639B0

9.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2639B0	#FFFFFF	#000000	##FFFFFF
##2639B0	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)

#004FB4

Deuteranopia (green-blind)

#0041AE

Tritanopia (blue-blind)

#00596F

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2639b0;
/* rgb */ color: rgb(38, 57, 176);
/* oklch */ color: oklch(41.6% 0.188 268.9);

Tailwind

colors: {
  custom: {
    50: '#786fc9',
    500: '#2639b0',
    950: '#000000',
  },
}

SCSS

$custom: #2639b0;
$custom-light: #786fc9;
$custom-dark: #000000;

JSON

{
  "hex": "#2639b0",
  "rgb": {
    "r": 38,
    "g": 57,
    "b": 176
  },
  "hsl": {
    "h": 231.739,
    "s": 64.486,
    "l": 41.961
  },
  "oklch": {
    "l": 0.41593,
    "c": 0.18832,
    "h": 268.9
  },
  "luminance": 0.06473
}

Semantic roles & 50–950 ramp

primary

#2639B0

secondary

#C7BA6B

accent

#D040E7

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2639B0

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

Preview Lab → · Contrast checker → · Palette generator →