#2643AC#2643AC

#2643AC is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.1% C 0.171 H 266.9°. Best body text is #FFFFFF at 8.46:1 contrast (WCAG AA passes).

Color values

HEX	#2643AC
RGB	rgb(38, 67, 172)
HSL	hsl(227, 64%, 41%)
HSV	hsv(227, 78%, 67%)
CMYK	cmyk(77.9%, 61%, 0%, 32.5%)
CIE-LAB	lab(32.71, 28.04, -59.15)
CIE-LCH	lch(32.71, 65.46, 295.37°)
OKLab	oklab(43.06% -0.0093 -0.171)
OKLCH	oklch(43.06% 0.171 266.9)
XYZ	xyz(10.2503, 7.4038, 39.9106)
Luminance	0.0741 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2643AC #AC8F26

analogous

#2686AC #2643AC #4C26AC

triadic

#2643AC #AC2643 #43AC26

tetradic

#2643AC #AC2686 #AC8F26 #26AC4C

square

#2643AC #AC2686 #AC8F26 #26AC4C

split-complementary

#2643AC #AC4C26 #86AC26

monochromatic

#101C48 #1B2F7A #2643AC #3B5CD4 #6E86DF

Accessibility & contrast

On white

8.46

#2643AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#2643AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2643AC

8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2643AC	#FFFFFF	#000000	##FFFFFF
##2643AC	1.00	8.46	2.48	8.46
#FFFFFF	8.46	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053AF

Deuteranopia (green-blind)

#0047AA

Tritanopia (blue-blind)

#005E71

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2643ac;
/* rgb */ color: rgb(38, 67, 172);
/* oklch */ color: oklch(43.1% 0.171 266.9);

Tailwind

colors: {
  custom: {
    50: '#7676c6',
    500: '#2643ac',
    950: '#000000',
  },
}

SCSS

$custom: #2643ac;
$custom-light: #7676c6;
$custom-dark: #000000;

JSON

{
  "hex": "#2643ac",
  "rgb": {
    "r": 38,
    "g": 67,
    "b": 172
  },
  "hsl": {
    "h": 227.015,
    "s": 63.81,
    "l": 41.176
  },
  "oklch": {
    "l": 0.43056,
    "c": 0.17122,
    "h": 266.9
  },
  "luminance": 0.07405
}

Semantic roles & 50–950 ramp

primary

#2643AC

secondary

#C5B168

accent

#C341E7

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2643AC

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

Preview Lab → · Contrast checker → · Palette generator →