#4C99CB#4C99CB

#4C99CB is a light, moderate cyan. Relative luminance 0.286; OKLCH L 65.5% C 0.107 H 239.7°. Best body text is #000000 at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#4C99CB
RGB	rgb(76, 153, 203)
HSL	hsl(204, 55%, 55%)
HSV	hsv(204, 63%, 80%)
CMYK	cmyk(62.6%, 24.6%, 0%, 20.4%)
CIE-LAB	lab(60.45, -8.55, -32.78)
CIE-LCH	lch(60.45, 33.88, 255.38°)
OKLab	oklab(65.51% -0.0538 -0.092)
OKLCH	oklch(65.51% 0.107 239.7)
XYZ	xyz(25.1471, 28.6283, 60.6889)
Luminance	0.2863 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C99CB #CB7E4C

analogous

#4CCBBD #4C99CB #4C5ACB

triadic

#4C99CB #CB4C99 #99CB4C

tetradic

#4C99CB #BD4CCB #CB7E4C #5ACB4C

square

#4C99CB #BD4CCB #CB7E4C #5ACB4C

split-complementary

#4C99CB #CB4C5A #CBBD4C

monochromatic

#235779 #317AA9 #4C99CB #7BB4D9 #ABCFE7

Accessibility & contrast

On white

3.12

#4C99CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.73

#4C99CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C99CB

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C99CB	#FFFFFF	#000000	##000000
##4C99CB	1.00	3.12	6.73	6.73
#FFFFFF	3.12	1.00	21.00	21.00
#000000	6.73	21.00	1.00	1.00
##000000	6.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8299CD

Deuteranopia (green-blind)

#718CCA

Tritanopia (blue-blind)

#00A6AA

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #4c99cb;
/* rgb */ color: rgb(76, 153, 203);
/* oklch */ color: oklch(65.5% 0.107 239.7);

Tailwind

colors: {
  custom: {
    50: '#8ab6db',
    500: '#4c99cb',
    950: '#000000',
  },
}

SCSS

$custom: #4c99cb;
$custom-light: #8ab6db;
$custom-dark: #000000;

JSON

{
  "hex": "#4c99cb",
  "rgb": {
    "r": 76,
    "g": 153,
    "b": 203
  },
  "hsl": {
    "h": 203.622,
    "s": 54.978,
    "l": 54.706
  },
  "oklch": {
    "l": 0.6551,
    "c": 0.10663,
    "h": 239.7
  },
  "luminance": 0.28631
}

Semantic roles & 50–950 ramp

primary

#4C99CB

secondary

#D4B49F

accent

#8449DE

background

#F9FBFD

surface

#F1F6FB

border

#CBD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #4C99CB

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

Preview Lab → · Contrast checker → · Palette generator →