#4291C4#4291C4

#4291C4 is a light, moderate cyan. Relative luminance 0.254; OKLCH L 62.9% C 0.109 H 240.0°. Best body text is #000000 at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#4291C4
RGB	rgb(66, 145, 196)
HSL	hsl(204, 52%, 51%)
HSV	hsv(204, 66%, 77%)
CMYK	cmyk(66.3%, 26%, 0%, 23.1%)
CIE-LAB	lab(57.46, -8.09, -33.53)
CIE-LCH	lch(57.46, 34.50, 256.44°)
OKLab	oklab(62.94% -0.0544 -0.0944)
OKLCH	oklch(62.94% 0.109 240)
XYZ	xyz(22.3322, 25.3922, 55.9381)
Luminance	0.2540 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4291C4 #C47542

analogous

#42C4B6 #4291C4 #4250C4

triadic

#4291C4 #C44291 #91C442

tetradic

#4291C4 #B642C4 #C47542 #50C442

square

#4291C4 #B642C4 #C47542 #50C442

split-complementary

#4291C4 #C44250 #C4B642

monochromatic

#214E6A #307099 #4291C4 #71ACD3 #9FC7E1

Accessibility & contrast

On white

3.45

#4291C4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.08

#4291C4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4291C4

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4291C4	#FFFFFF	#000000	##000000
##4291C4	1.00	3.45	6.08	6.08
#FFFFFF	3.45	1.00	21.00	21.00
#000000	6.08	21.00	1.00	1.00
##000000	6.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A91C6

Deuteranopia (green-blind)

#6884C3

Tritanopia (blue-blind)

#009EA2

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #4291c4;
/* rgb */ color: rgb(66, 145, 196);
/* oklch */ color: oklch(62.9% 0.109 240.0);

Tailwind

colors: {
  custom: {
    50: '#84b1d6',
    500: '#4291c4',
    950: '#000000',
  },
}

SCSS

$custom: #4291c4;
$custom-light: #84b1d6;
$custom-dark: #000000;

JSON

{
  "hex": "#4291c4",
  "rgb": {
    "r": 66,
    "g": 145,
    "b": 196
  },
  "hsl": {
    "h": 203.538,
    "s": 52.419,
    "l": 51.373
  },
  "oklch": {
    "l": 0.62938,
    "c": 0.10896,
    "h": 240
  },
  "luminance": 0.25395
}

Semantic roles & 50–950 ramp

primary

#4291C4

secondary

#CEAB94

accent

#844CDC

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C1014

muted

#7D7F83

Preview Lab

Preview with #4291C4

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

Preview Lab → · Contrast checker → · Palette generator →