#2663AA#2663AA

#2663AA is a mid, vivid cyan. Relative luminance 0.122; OKLCH L 49.8% C 0.129 H 254.5°. Best body text is #FFFFFF at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#2663AA
RGB	rgb(38, 99, 170)
HSL	hsl(212, 63%, 41%)
HSV	hsv(212, 78%, 67%)
CMYK	cmyk(77.6%, 41.8%, 0%, 33.3%)
CIE-LAB	lab(41.59, 6.13, -43.62)
CIE-LCH	lch(41.59, 44.05, 278.00°)
OKLab	oklab(49.78% -0.0345 -0.1247)
OKLCH	oklch(49.78% 0.129 254.5)
XYZ	xyz(12.5142, 12.2366, 39.7248)
Luminance	0.1224 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2663AA #AA6D26

analogous

#26A5AA #2663AA #2B26AA

triadic

#2663AA #AA2663 #63AA26

tetradic

#2663AA #AA26A5 #AA6D26 #26AA2B

square

#2663AA #AA26A5 #AA6D26 #26AA2B

split-complementary

#2663AA #AA2B26 #A5AA26

monochromatic

#102946 #1B4678 #2663AA #3A81D3 #6CA1DE

Accessibility & contrast

On white

6.09

#2663AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#2663AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2663AA

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2663AA	#FFFFFF	#000000	##FFFFFF
##2663AA	1.00	6.09	3.45	6.09
#FFFFFF	6.09	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4069AD

Deuteranopia (green-blind)

#2A5DA9

Tritanopia (blue-blind)

#00747E

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #2663aa;
/* rgb */ color: rgb(38, 99, 170);
/* oklch */ color: oklch(49.8% 0.129 254.5);

Tailwind

colors: {
  custom: {
    50: '#748ec4',
    500: '#2663aa',
    950: '#000000',
  },
}

SCSS

$custom: #2663aa;
$custom-light: #748ec4;
$custom-dark: #000000;

JSON

{
  "hex": "#2663aa",
  "rgb": {
    "r": 38,
    "g": 99,
    "b": 170
  },
  "hsl": {
    "h": 212.273,
    "s": 63.462,
    "l": 40.784
  },
  "oklch": {
    "l": 0.49783,
    "c": 0.12941,
    "h": 254.5
  },
  "luminance": 0.12238
}

Semantic roles & 50–950 ramp

primary

#2663AA

secondary

#C59967

accent

#9A41E6

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#090C12

muted

#7B7D81

Preview Lab

Preview with #2663AA

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

Preview Lab → · Contrast checker → · Palette generator →