#2643AE#2643AE

#2643AE is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.2% C 0.174 H 266.9°. Best body text is #FFFFFF at 8.41:1 contrast (WCAG AA passes).

Color values

HEX	#2643AE
RGB	rgb(38, 67, 174)
HSL	hsl(227, 64%, 42%)
HSV	hsv(227, 78%, 68%)
CMYK	cmyk(78.2%, 61.5%, 0%, 31.8%)
CIE-LAB	lab(32.88, 28.80, -60.07)
CIE-LCH	lch(32.88, 66.62, 295.62°)
OKLab	oklab(43.24% -0.0093 -0.1737)
OKLCH	oklch(43.24% 0.174 266.9)
XYZ	xyz(10.4438, 7.4812, 40.9298)
Luminance	0.0748 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2643AE #AE9126

analogous

#2687AE #2643AE #4D26AE

triadic

#2643AE #AE2643 #43AE26

tetradic

#2643AE #AE2687 #AE9126 #26AE4D

square

#2643AE #AE2687 #AE9126 #26AE4D

split-complementary

#2643AE #AE4D26 #87AE26

monochromatic

#101C4A #1B307C #2643AE #3D5DD5 #6F87E0

Accessibility & contrast

On white

8.41

#2643AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#2643AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2643AE

8.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2643AE	#FFFFFF	#000000	##FFFFFF
##2643AE	1.00	8.41	2.50	8.41
#FFFFFF	8.41	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B2

Deuteranopia (green-blind)

#0047AC

Tritanopia (blue-blind)

#005F72

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2643ae;
/* rgb */ color: rgb(38, 67, 174);
/* oklch */ color: oklch(43.2% 0.174 266.9);

Tailwind

colors: {
  custom: {
    50: '#7676c7',
    500: '#2643ae',
    950: '#000000',
  },
}

SCSS

$custom: #2643ae;
$custom-light: #7676c7;
$custom-dark: #000000;

JSON

{
  "hex": "#2643ae",
  "rgb": {
    "r": 38,
    "g": 67,
    "b": 174
  },
  "hsl": {
    "h": 227.206,
    "s": 64.151,
    "l": 41.569
  },
  "oklch": {
    "l": 0.43235,
    "c": 0.17391,
    "h": 266.9
  },
  "luminance": 0.07482
}

Semantic roles & 50–950 ramp

primary

#2643AE

secondary

#C6B26A

accent

#C441E7

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2643AE

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

Preview Lab → · Contrast checker → · Palette generator →