#2639A4#2639A4

#2639A4 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.4% C 0.173 H 269.1°. Best body text is #FFFFFF at 9.53:1 contrast (WCAG AA passes).

Color values

HEX	#2639A4
RGB	rgb(38, 57, 164)
HSL	hsl(231, 62%, 40%)
HSV	hsv(231, 77%, 64%)
CMYK	cmyk(76.8%, 65.2%, 0%, 35.7%)
CIE-LAB	lab(29.46, 31.63, -59.67)
CIE-LCH	lch(29.46, 67.54, 297.93°)
OKLab	oklab(40.44% -0.0028 -0.1726)
OKLCH	oklch(40.44% 0.173 269.1)
XYZ	xyz(8.9610, 6.0177, 35.8040)
Luminance	0.0602 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2639A4 #A49126

analogous

#2678A4 #2639A4 #5226A4

triadic

#2639A4 #A42639 #39A426

tetradic

#2639A4 #A42678 #A49126 #26A452

square

#2639A4 #A42678 #A49126 #26A452

split-complementary

#2639A4 #A45226 #78A426

monochromatic

#0F1641 #1A2872 #2639A4 #374ED1 #687ADC

Accessibility & contrast

On white

9.53

#2639A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#2639A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2639A4

9.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2639A4	#FFFFFF	#000000	##FFFFFF
##2639A4	1.00	9.53	2.20	9.53
#FFFFFF	9.53	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA7

Deuteranopia (green-blind)

#0040A2

Tritanopia (blue-blind)

#005569

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2639a4;
/* rgb */ color: rgb(38, 57, 164);
/* oklch */ color: oklch(40.4% 0.173 269.1);

Tailwind

colors: {
  custom: {
    50: '#756fc0',
    500: '#2639a4',
    950: '#000000',
  },
}

SCSS

$custom: #2639a4;
$custom-light: #756fc0;
$custom-dark: #000000;

JSON

{
  "hex": "#2639a4",
  "rgb": {
    "r": 38,
    "g": 57,
    "b": 164
  },
  "hsl": {
    "h": 230.952,
    "s": 62.376,
    "l": 39.608
  },
  "oklch": {
    "l": 0.40437,
    "c": 0.17262,
    "h": 269.1
  },
  "luminance": 0.06019
}

Semantic roles & 50–950 ramp

primary

#2639A4

secondary

#C2B464

accent

#CD42E5

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2639A4

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

Preview Lab → · Contrast checker → · Palette generator →