#2639B1#2639B1

#2639B1 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.7% C 0.190 H 268.9°. Best body text is #FFFFFF at 9.12:1 contrast (WCAG AA passes).

Color values

HEX	#2639B1
RGB	rgb(38, 57, 177)
HSL	hsl(232, 65%, 42%)
HSV	hsv(232, 79%, 69%)
CMYK	cmyk(78.5%, 67.8%, 0%, 30.6%)
CIE-LAB	lab(30.67, 36.42, -65.48)
CIE-LCH	lch(30.67, 74.92, 299.08°)
OKLab	oklab(41.69% -0.0036 -0.1896)
OKLCH	oklch(41.69% 0.19 268.9)
XYZ	xyz(10.1955, 6.5115, 42.3060)
Luminance	0.0651 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2639B1 #B19E26

analogous

#267EB1 #2639B1 #5926B1

triadic

#2639B1 #B12639 #39B126

tetradic

#2639B1 #B1267E #B19E26 #26B159

square

#2639B1 #B1267E #B19E26 #26B159

split-complementary

#2639B1 #B15926 #7EB126

monochromatic

#10194C #1B297F #2639B1 #3F53D6 #7180E0

Accessibility & contrast

On white

9.12

#2639B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#2639B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2639B1

9.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2639B1	#FFFFFF	#000000	##FFFFFF
##2639B1	1.00	9.12	2.30	9.12
#FFFFFF	9.12	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB5

Deuteranopia (green-blind)

#0042AF

Tritanopia (blue-blind)

#005A70

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2639b1;
/* rgb */ color: rgb(38, 57, 177);
/* oklch */ color: oklch(41.7% 0.190 268.9);

Tailwind

colors: {
  custom: {
    50: '#786fc9',
    500: '#2639b1',
    950: '#000000',
  },
}

SCSS

$custom: #2639b1;
$custom-light: #786fc9;
$custom-dark: #000000;

JSON

{
  "hex": "#2639b1",
  "rgb": {
    "r": 38,
    "g": 57,
    "b": 177
  },
  "hsl": {
    "h": 231.799,
    "s": 64.651,
    "l": 42.157
  },
  "oklch": {
    "l": 0.41691,
    "c": 0.1896,
    "h": 268.9
  },
  "luminance": 0.06513
}

Semantic roles & 50–950 ramp

primary

#2639B1

secondary

#C7BB6B

accent

#D140E8

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2639B1

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

Preview Lab → · Contrast checker → · Palette generator →