#2663A4#2663A4

#2663A4 is a mid, vivid cyan. Relative luminance 0.120; OKLCH L 49.4% C 0.121 H 252.8°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#2663A4
RGB	rgb(38, 99, 164)
HSL	hsl(211, 62%, 40%)
HSV	hsv(211, 77%, 64%)
CMYK	cmyk(76.8%, 39.6%, 0%, 35.7%)
CIE-LAB	lab(41.24, 3.83, -40.63)
CIE-LCH	lch(41.24, 40.81, 275.38°)
OKLab	oklab(49.4% -0.0359 -0.1159)
OKLCH	oklch(49.4% 0.121 252.8)
XYZ	xyz(11.9595, 12.0147, 36.8035)
Luminance	0.1202 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2663A4 #A46726

analogous

#26A2A4 #2663A4 #2826A4

triadic

#2663A4 #A42663 #63A426

tetradic

#2663A4 #A426A2 #A46726 #26A428

square

#2663A4 #A426A2 #A46726 #26A428

split-complementary

#2663A4 #A42826 #A2A426

monochromatic

#0F2741 #1A4572 #2663A4 #3781D1 #68A0DC

Accessibility & contrast

On white

6.17

#2663A4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#2663A4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2663A4

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2663A4	#FFFFFF	#000000	##FFFFFF
##2663A4	1.00	6.17	3.40	6.17
#FFFFFF	6.17	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4468A7

Deuteranopia (green-blind)

#305CA3

Tritanopia (blue-blind)

#00727B

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #2663a4;
/* rgb */ color: rgb(38, 99, 164);
/* oklch */ color: oklch(49.4% 0.121 252.8);

Tailwind

colors: {
  custom: {
    50: '#738ebf',
    500: '#2663a4',
    950: '#000000',
  },
}

SCSS

$custom: #2663a4;
$custom-light: #738ebf;
$custom-dark: #000000;

JSON

{
  "hex": "#2663a4",
  "rgb": {
    "r": 38,
    "g": 99,
    "b": 164
  },
  "hsl": {
    "h": 210.952,
    "s": 62.376,
    "l": 39.608
  },
  "oklch": {
    "l": 0.49396,
    "c": 0.12138,
    "h": 252.8
  },
  "luminance": 0.12016
}

Semantic roles & 50–950 ramp

primary

#2663A4

secondary

#C29464

accent

#9642E5

background

#F7F8FB

surface

#EDF0F7

border

#C8CBD0

text

#090C12

muted

#7B7D81

Preview Lab

Preview with #2663A4

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

Preview Lab → · Contrast checker → · Palette generator →