#2663CA#2663CA

#2663CA is a mid, vivid blue. Relative luminance 0.136; OKLCH L 52.0% C 0.172 H 260.3°. Best body text is #FFFFFF at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#2663CA
RGB	rgb(38, 99, 202)
HSL	hsl(218, 68%, 47%)
HSV	hsv(218, 81%, 79%)
CMYK	cmyk(81.2%, 51%, 0%, 20.8%)
CIE-LAB	lab(43.65, 18.49, -58.95)
CIE-LCH	lch(43.65, 61.79, 287.41°)
OKLab	oklab(52.03% -0.0289 -0.1698)
OKLCH	oklch(52.03% 0.172 260.3)
XYZ	xyz(15.9180, 13.5981, 57.6514)
Luminance	0.1360 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2663CA #CA8D26

analogous

#26B5CA #2663CA #3B26CA

triadic

#2663CA #CA2663 #63CA26

tetradic

#2663CA #CA26B5 #CA8D26 #26CA3B

square

#2663CA #CA26B5 #CA8D26 #26CA3B

split-complementary

#2663CA #CA3B26 #B5CA26

monochromatic

#133163 #1C4A96 #2663CA #4F84DE #83A8E8

Accessibility & contrast

On white

5.65

#2663CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#2663CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2663CA

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2663CA	#FFFFFF	#000000	##FFFFFF
##2663CA	1.00	5.65	3.72	5.65
#FFFFFF	5.65	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E6FCE

Deuteranopia (green-blind)

#0060C8

Tritanopia (blue-blind)

#007C8D

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #2663ca;
/* rgb */ color: rgb(38, 99, 202);
/* oklch */ color: oklch(52.0% 0.172 260.3);

Tailwind

colors: {
  custom: {
    50: '#7b8edb',
    500: '#2663ca',
    950: '#000000',
  },
}

SCSS

$custom: #2663ca;
$custom-light: #7b8edb;
$custom-dark: #000000;

JSON

{
  "hex": "#2663ca",
  "rgb": {
    "r": 38,
    "g": 99,
    "b": 202
  },
  "hsl": {
    "h": 217.683,
    "s": 68.333,
    "l": 47.059
  },
  "oklch": {
    "l": 0.52033,
    "c": 0.17228,
    "h": 260.3
  },
  "luminance": 0.136
}

Semantic roles & 50–950 ramp

primary

#2663CA

secondary

#D1B17B

accent

#AA3DEB

background

#F8F8FD

surface

#EFF0FB

border

#CACBD4

text

#0B0C15

muted

#7C7D83

Preview Lab

Preview with #2663CA

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

Preview Lab → · Contrast checker → · Palette generator →