#2643AF#2643AF

#2643AF is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.3% C 0.175 H 267.0°. Best body text is #FFFFFF at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#2643AF
RGB	rgb(38, 67, 175)
HSL	hsl(227, 64%, 42%)
HSV	hsv(227, 78%, 69%)
CMYK	cmyk(78.3%, 61.7%, 0%, 31.4%)
CIE-LAB	lab(32.96, 29.18, -60.52)
CIE-LCH	lch(32.96, 67.19, 295.74°)
OKLab	oklab(43.32% -0.0092 -0.175)
OKLCH	oklch(43.32% 0.175 267)
XYZ	xyz(10.5416, 7.5203, 41.4451)
Luminance	0.0752 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2643AF #AF9226

analogous

#2688AF #2643AF #4E26AF

triadic

#2643AF #AF2643 #43AF26

tetradic

#2643AF #AF2688 #AF9226 #26AF4E

square

#2643AF #AF2688 #AF9226 #26AF4E

split-complementary

#2643AF #AF4E26 #88AF26

monochromatic

#101C4A #1B307D #2643AF #3D5DD5 #7087E0

Accessibility & contrast

On white

8.39

#2643AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#2643AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2643AF

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2643AF	#FFFFFF	#000000	##FFFFFF
##2643AF	1.00	8.39	2.50	8.39
#FFFFFF	8.39	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B3

Deuteranopia (green-blind)

#0047AD

Tritanopia (blue-blind)

#005F72

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2643af;
/* rgb */ color: rgb(38, 67, 175);
/* oklch */ color: oklch(43.3% 0.175 267.0);

Tailwind

colors: {
  custom: {
    50: '#7776c8',
    500: '#2643af',
    950: '#000000',
  },
}

SCSS

$custom: #2643af;
$custom-light: #7776c8;
$custom-dark: #000000;

JSON

{
  "hex": "#2643af",
  "rgb": {
    "r": 38,
    "g": 67,
    "b": 175
  },
  "hsl": {
    "h": 227.299,
    "s": 64.319,
    "l": 41.765
  },
  "oklch": {
    "l": 0.43324,
    "c": 0.17523,
    "h": 267
  },
  "luminance": 0.07522
}

Semantic roles & 50–950 ramp

primary

#2643AF

secondary

#C7B36A

accent

#C440E7

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2643AF

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

Preview Lab → · Contrast checker → · Palette generator →