#4C91CB#4C91CB

#4C91CB is a light, moderate cyan. Relative luminance 0.261; OKLCH L 63.7% C 0.112 H 246.2°. Best body text is #000000 at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#4C91CB
RGB	rgb(76, 145, 203)
HSL	hsl(207, 55%, 55%)
HSV	hsv(207, 63%, 80%)
CMYK	cmyk(62.6%, 28.6%, 0%, 20.4%)
CIE-LAB	lab(58.13, -4.01, -36.40)
CIE-LCH	lch(58.13, 36.62, 263.71°)
OKLab	oklab(63.67% -0.0453 -0.1026)
OKLCH	oklch(63.67% 0.112 246.2)
XYZ	xyz(23.8814, 26.0968, 60.2670)
Luminance	0.2610 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C91CB #CB864C

analogous

#4CCBC6 #4C91CB #4C51CB

triadic

#4C91CB #CB4C91 #91CB4C

tetradic

#4C91CB #C64CCB #CB864C #51CB4C

square

#4C91CB #C64CCB #CB864C #51CB4C

split-complementary

#4C91CB #CB4C51 #CBC64C

monochromatic

#235279 #3172A9 #4C91CB #7BAED9 #ABCBE7

Accessibility & contrast

On white

3.38

#4C91CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.22

#4C91CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C91CB

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C91CB	#FFFFFF	#000000	##000000
##4C91CB	1.00	3.38	6.22	6.22
#FFFFFF	3.38	1.00	21.00	21.00
#000000	6.22	21.00	1.00	1.00
##000000	6.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7893CE

Deuteranopia (green-blind)

#6686CA

Tritanopia (blue-blind)

#009FA5

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #4c91cb;
/* rgb */ color: rgb(76, 145, 203);
/* oklch */ color: oklch(63.7% 0.112 246.2);

Tailwind

colors: {
  custom: {
    50: '#89b1db',
    500: '#4c91cb',
    950: '#000000',
  },
}

SCSS

$custom: #4c91cb;
$custom-light: #89b1db;
$custom-dark: #000000;

JSON

{
  "hex": "#4c91cb",
  "rgb": {
    "r": 76,
    "g": 145,
    "b": 203
  },
  "hsl": {
    "h": 207.402,
    "s": 54.978,
    "l": 54.706
  },
  "oklch": {
    "l": 0.63674,
    "c": 0.11216,
    "h": 246.2
  },
  "luminance": 0.26099
}

Semantic roles & 50–950 ramp

primary

#4C91CB

secondary

#D4B79F

accent

#8D49DE

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0D1015

muted

#7D7F83

Preview Lab

Preview with #4C91CB

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

Preview Lab → · Contrast checker → · Palette generator →