#2663C9#2663C9

#2663C9 is a mid, vivid blue. Relative luminance 0.136; OKLCH L 52.0% C 0.171 H 260.2°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#2663C9
RGB	rgb(38, 99, 201)
HSL	hsl(218, 68%, 47%)
HSV	hsv(218, 81%, 79%)
CMYK	cmyk(81.1%, 50.7%, 0%, 21.2%)
CIE-LAB	lab(43.58, 18.10, -58.49)
CIE-LCH	lch(43.58, 61.23, 287.20°)
OKLab	oklab(51.96% -0.0291 -0.1685)
OKLCH	oklch(51.96% 0.171 260.2)
XYZ	xyz(15.7999, 13.5509, 57.0299)
Luminance	0.1355 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2663C9 #C98C26

analogous

#26B5C9 #2663C9 #3B26C9

triadic

#2663C9 #C92663 #63C926

tetradic

#2663C9 #C926B5 #C98C26 #26C93B

square

#2663C9 #C926B5 #C98C26 #26C93B

split-complementary

#2663C9 #C93B26 #B5C926

monochromatic

#133062 #1C4A96 #2663C9 #4F84DE #82A8E7

Accessibility & contrast

On white

5.66

#2663C9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#2663C9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2663C9

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2663C9	#FFFFFF	#000000	##FFFFFF
##2663C9	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#206FCD

Deuteranopia (green-blind)

#0060C7

Tritanopia (blue-blind)

#007C8C

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #2663c9;
/* rgb */ color: rgb(38, 99, 201);
/* oklch */ color: oklch(52.0% 0.171 260.2);

Tailwind

colors: {
  custom: {
    50: '#7b8eda',
    500: '#2663c9',
    950: '#000000',
  },
}

SCSS

$custom: #2663c9;
$custom-light: #7b8eda;
$custom-dark: #000000;

JSON

{
  "hex": "#2663c9",
  "rgb": {
    "r": 38,
    "g": 99,
    "b": 201
  },
  "hsl": {
    "h": 217.546,
    "s": 68.201,
    "l": 46.863
  },
  "oklch": {
    "l": 0.51958,
    "c": 0.17095,
    "h": 260.2
  },
  "luminance": 0.13553
}

Semantic roles & 50–950 ramp

primary

#2663C9

secondary

#D0B07B

accent

#AA3DEB

background

#F8F8FD

surface

#EFF0FB

border

#CACBD4

text

#0B0C15

muted

#7C7D83

Preview Lab

Preview with #2663C9

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

Preview Lab → · Contrast checker → · Palette generator →