#4291CA#4291CA

#4291CA is a light, moderate cyan. Relative luminance 0.257; OKLCH L 63.2% C 0.116 H 243.0°. Best body text is #000000 at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#4291CA
RGB	rgb(66, 145, 202)
HSL	hsl(205, 56%, 53%)
HSV	hsv(205, 67%, 79%)
CMYK	cmyk(67.3%, 28.2%, 0%, 20.8%)
CIE-LAB	lab(57.72, -6.07, -36.50)
CIE-LCH	lch(57.72, 37.00, 260.57°)
OKLab	oklab(63.24% -0.0525 -0.103)
OKLCH	oklch(63.24% 0.116 243)
XYZ	xyz(23.0288, 25.6709, 59.6070)
Luminance	0.2567 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4291CA #CA7B42

analogous

#42CABF #4291CA #424DCA

triadic

#4291CA #CA4291 #91CA42

tetradic

#4291CA #BF42CA #CA7B42 #4DCA42

square

#4291CA #BF42CA #CA7B42 #4DCA42

split-complementary

#4291CA #CA424D #CABF42

monochromatic

#204F72 #2D71A2 #4291CA #72ADD7 #A2C9E5

Accessibility & contrast

On white

3.42

#4291CA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.13

#4291CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4291CA

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4291CA	#FFFFFF	#000000	##000000
##4291CA	1.00	3.42	6.13	6.13
#FFFFFF	3.42	1.00	21.00	21.00
#000000	6.13	21.00	1.00	1.00
##000000	6.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7792CD

Deuteranopia (green-blind)

#6585C9

Tritanopia (blue-blind)

#009FA5

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #4291ca;
/* rgb */ color: rgb(66, 145, 202);
/* oklch */ color: oklch(63.2% 0.116 243.0);

Tailwind

colors: {
  custom: {
    50: '#85b1da',
    500: '#4291ca',
    950: '#000000',
  },
}

SCSS

$custom: #4291ca;
$custom-light: #85b1da;
$custom-dark: #000000;

JSON

{
  "hex": "#4291ca",
  "rgb": {
    "r": 66,
    "g": 145,
    "b": 202
  },
  "hsl": {
    "h": 205.147,
    "s": 56.198,
    "l": 52.549
  },
  "oklch": {
    "l": 0.63238,
    "c": 0.11558,
    "h": 243
  },
  "luminance": 0.25673
}

Semantic roles & 50–950 ramp

primary

#4291CA

secondary

#D1AF96

accent

#8848DF

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #4291CA

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

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