#2663B1#2663B1

#2663B1 is a mid, vivid cyan. Relative luminance 0.125; OKLCH L 50.2% C 0.139 H 256.2°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#2663B1
RGB	rgb(38, 99, 177)
HSL	hsl(214, 65%, 42%)
HSV	hsv(214, 79%, 69%)
CMYK	cmyk(78.5%, 44.1%, 0%, 30.6%)
CIE-LAB	lab(42.01, 8.83, -47.06)
CIE-LCH	lch(42.01, 47.88, 280.63°)
OKLab	oklab(50.25% -0.033 -0.1348)
OKLCH	oklch(50.25% 0.139 256.2)
XYZ	xyz(13.1940, 12.5085, 43.3055)
Luminance	0.1251 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2663B1 #B17426

analogous

#26A9B1 #2663B1 #2F26B1

triadic

#2663B1 #B12663 #63B126

tetradic

#2663B1 #B126A9 #B17426 #26B12F

square

#2663B1 #B126A9 #B17426 #26B12F

split-complementary

#2663B1 #B12F26 #A9B126

monochromatic

#102B4C #1B477F #2663B1 #3F81D6 #71A2E0

Accessibility & contrast

On white

6.00

#2663B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#2663B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2663B1

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2663B1	#FFFFFF	#000000	##FFFFFF
##2663B1	1.00	6.00	3.50	6.00
#FFFFFF	6.00	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	6.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B6AB4

Deuteranopia (green-blind)

#205DAF

Tritanopia (blue-blind)

#007581

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #2663b1;
/* rgb */ color: rgb(38, 99, 177);
/* oklch */ color: oklch(50.2% 0.139 256.2);

Tailwind

colors: {
  custom: {
    50: '#758ec9',
    500: '#2663b1',
    950: '#000000',
  },
}

SCSS

$custom: #2663b1;
$custom-light: #758ec9;
$custom-dark: #000000;

JSON

{
  "hex": "#2663b1",
  "rgb": {
    "r": 38,
    "g": 99,
    "b": 177
  },
  "hsl": {
    "h": 213.669,
    "s": 64.651,
    "l": 42.157
  },
  "oklch": {
    "l": 0.50249,
    "c": 0.13881,
    "h": 256.2
  },
  "luminance": 0.1251
}

Semantic roles & 50–950 ramp

primary

#2663B1

secondary

#C79F6B

accent

#9E40E8

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2663B1

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

Preview Lab → · Contrast checker → · Palette generator →