#2663AF#2663AF

#2663AF is a mid, vivid cyan. Relative luminance 0.124; OKLCH L 50.1% C 0.136 H 255.8°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#2663AF
RGB	rgb(38, 99, 175)
HSL	hsl(213, 64%, 42%)
HSV	hsv(213, 78%, 69%)
CMYK	cmyk(78.3%, 43.4%, 0%, 31.4%)
CIE-LAB	lab(41.89, 8.06, -46.08)
CIE-LCH	lch(41.89, 46.78, 279.92°)
OKLab	oklab(50.11% -0.0334 -0.132)
OKLCH	oklch(50.11% 0.136 255.8)
XYZ	xyz(12.9962, 12.4294, 42.2633)
Luminance	0.1243 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2663AF #AF7226

analogous

#26A8AF #2663AF #2E26AF

triadic

#2663AF #AF2663 #63AF26

tetradic

#2663AF #AF26A8 #AF7226 #26AF2E

square

#2663AF #AF26A8 #AF7226 #26AF2E

split-complementary

#2663AF #AF2E26 #A8AF26

monochromatic

#102A4A #1B477D #2663AF #3D81D5 #70A2E0

Accessibility & contrast

On white

6.02

#2663AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#2663AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2663AF

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2663AF	#FFFFFF	#000000	##FFFFFF
##2663AF	1.00	6.02	3.49	6.02
#FFFFFF	6.02	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D6AB2

Deuteranopia (green-blind)

#235DAD

Tritanopia (blue-blind)

#007580

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #2663af;
/* rgb */ color: rgb(38, 99, 175);
/* oklch */ color: oklch(50.1% 0.136 255.8);

Tailwind

colors: {
  custom: {
    50: '#758ec7',
    500: '#2663af',
    950: '#000000',
  },
}

SCSS

$custom: #2663af;
$custom-light: #758ec7;
$custom-dark: #000000;

JSON

{
  "hex": "#2663af",
  "rgb": {
    "r": 38,
    "g": 99,
    "b": 175
  },
  "hsl": {
    "h": 213.285,
    "s": 64.319,
    "l": 41.765
  },
  "oklch": {
    "l": 0.50114,
    "c": 0.13612,
    "h": 255.8
  },
  "luminance": 0.12431
}

Semantic roles & 50–950 ramp

primary

#2663AF

secondary

#C79D6A

accent

#9D40E7

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2663AF

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

Preview Lab → · Contrast checker → · Palette generator →