#2663AD#2663AD

#2663AD is a mid, vivid cyan. Relative luminance 0.124; OKLCH L 50.0% C 0.133 H 255.3°. Best body text is #FFFFFF at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#2663AD
RGB	rgb(38, 99, 173)
HSL	hsl(213, 64%, 41%)
HSV	hsv(213, 78%, 68%)
CMYK	cmyk(78%, 42.8%, 0%, 32.2%)
CIE-LAB	lab(41.77, 7.29, -45.10)
CIE-LCH	lch(41.77, 45.68, 279.18°)
OKLab	oklab(49.98% -0.0339 -0.1291)
OKLCH	oklch(49.98% 0.133 255.3)
XYZ	xyz(12.8012, 12.3514, 41.2364)
Luminance	0.1235 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2663AD #AD7026

analogous

#26A7AD #2663AD #2D26AD

triadic

#2663AD #AD2663 #63AD26

tetradic

#2663AD #AD26A7 #AD7026 #26AD2D

square

#2663AD #AD26A7 #AD7026 #26AD2D

split-complementary

#2663AD #AD2D26 #A7AD26

monochromatic

#102A49 #1B467B #2663AD #3C81D4 #6EA1DF

Accessibility & contrast

On white

6.05

#2663AD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#2663AD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2663AD

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2663AD	#FFFFFF	#000000	##FFFFFF
##2663AD	1.00	6.05	3.47	6.05
#FFFFFF	6.05	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E69B0

Deuteranopia (green-blind)

#265DAC

Tritanopia (blue-blind)

#00757F

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #2663ad;
/* rgb */ color: rgb(38, 99, 173);
/* oklch */ color: oklch(50.0% 0.133 255.3);

Tailwind

colors: {
  custom: {
    50: '#758ec6',
    500: '#2663ad',
    950: '#000000',
  },
}

SCSS

$custom: #2663ad;
$custom-light: #758ec6;
$custom-dark: #000000;

JSON

{
  "hex": "#2663ad",
  "rgb": {
    "r": 38,
    "g": 99,
    "b": 173
  },
  "hsl": {
    "h": 212.889,
    "s": 63.981,
    "l": 41.373
  },
  "oklch": {
    "l": 0.4998,
    "c": 0.13344,
    "h": 255.3
  },
  "luminance": 0.12353
}

Semantic roles & 50–950 ramp

primary

#2663AD

secondary

#C69C69

accent

#9C41E7

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2663AD

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

Preview Lab → · Contrast checker → · Palette generator →