#2663B6#2663B6

#2663B6 is a mid, vivid cyan. Relative luminance 0.127; OKLCH L 50.6% C 0.146 H 257.3°. Best body text is #FFFFFF at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#2663B6
RGB	rgb(38, 99, 182)
HSL	hsl(215, 65%, 43%)
HSV	hsv(215, 79%, 71%)
CMYK	cmyk(79.1%, 45.6%, 0%, 28.6%)
CIE-LAB	lab(42.33, 10.77, -49.49)
CIE-LCH	lch(42.33, 50.64, 282.27°)
OKLab	oklab(50.59% -0.032 -0.142)
OKLCH	oklch(50.59% 0.146 257.3)
XYZ	xyz(13.7016, 12.7115, 45.9783)
Luminance	0.1271 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2663B6 #B67926

analogous

#26ABB6 #2663B6 #3126B6

triadic

#2663B6 #B62663 #63B626

tetradic

#2663B6 #B626AB #B67926 #26B631

square

#2663B6 #B626AB #B67926 #26B631

split-complementary

#2663B6 #B63126 #ABB626

monochromatic

#112C51 #1B4783 #2663B6 #4281D7 #74A3E2

Accessibility & contrast

On white

5.93

#2663B6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#2663B6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2663B6

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2663B6	#FFFFFF	#000000	##FFFFFF
##2663B6	1.00	5.93	3.54	5.93
#FFFFFF	5.93	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#376BB9

Deuteranopia (green-blind)

#165EB4

Tritanopia (blue-blind)

#007783

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #2663b6;
/* rgb */ color: rgb(38, 99, 182);
/* oklch */ color: oklch(50.6% 0.146 257.3);

Tailwind

colors: {
  custom: {
    50: '#778ecc',
    500: '#2663b6',
    950: '#000000',
  },
}

SCSS

$custom: #2663b6;
$custom-light: #778ecc;
$custom-dark: #000000;

JSON

{
  "hex": "#2663b6",
  "rgb": {
    "r": 38,
    "g": 99,
    "b": 182
  },
  "hsl": {
    "h": 214.583,
    "s": 65.455,
    "l": 43.137
  },
  "oklch": {
    "l": 0.50591,
    "c": 0.14554,
    "h": 257.3
  },
  "luminance": 0.12713
}

Semantic roles & 50–950 ramp

primary

#2663B6

secondary

#C9A36E

accent

#A13FE8

background

#F7F8FC

surface

#EEF0F9

border

#C9CBD2

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2663B6

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

Preview Lab → · Contrast checker → · Palette generator →