#2643A4#2643A4

#2643A4 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.4% C 0.160 H 266.6°. Best body text is #FFFFFF at 8.67:1 contrast (WCAG AA passes).

Color values

HEX	#2643A4
RGB	rgb(38, 67, 164)
HSL	hsl(226, 62%, 40%)
HSV	hsv(226, 77%, 64%)
CMYK	cmyk(76.8%, 59.1%, 0%, 35.7%)
CIE-LAB	lab(32.05, 24.99, -55.44)
CIE-LCH	lch(32.05, 60.81, 294.26°)
OKLab	oklab(42.36% -0.0094 -0.1601)
OKLCH	oklch(42.36% 0.16 266.6)
XYZ	xyz(9.5050, 7.1057, 35.9853)
Luminance	0.0711 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2643A4 #A48726

analogous

#2682A4 #2643A4 #4826A4

triadic

#2643A4 #A42643 #43A426

tetradic

#2643A4 #A42682 #A48726 #26A448

square

#2643A4 #A42682 #A48726 #26A448

split-complementary

#2643A4 #A44826 #82A426

monochromatic

#0F1A41 #1A2F72 #2643A4 #375AD1 #6883DC

Accessibility & contrast

On white

8.67

#2643A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#2643A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2643A4

8.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2643A4	#FFFFFF	#000000	##FFFFFF
##2643A4	1.00	8.67	2.42	8.67
#FFFFFF	8.67	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051A7

Deuteranopia (green-blind)

#0046A2

Tritanopia (blue-blind)

#005B6D

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2643a4;
/* rgb */ color: rgb(38, 67, 164);
/* oklch */ color: oklch(42.4% 0.160 266.6);

Tailwind

colors: {
  custom: {
    50: '#7476c0',
    500: '#2643a4',
    950: '#000000',
  },
}

SCSS

$custom: #2643a4;
$custom-light: #7476c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2643a4",
  "rgb": {
    "r": 38,
    "g": 67,
    "b": 164
  },
  "hsl": {
    "h": 226.19,
    "s": 62.376,
    "l": 39.608
  },
  "oklch": {
    "l": 0.42356,
    "c": 0.16035,
    "h": 266.6
  },
  "luminance": 0.07107
}

Semantic roles & 50–950 ramp

primary

#2643A4

secondary

#C2AC64

accent

#C042E5

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #2643A4

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

Preview Lab → · Contrast checker → · Palette generator →