#4C99DF#4C99DF

#4C99DF is a light, vivid cyan. Relative luminance 0.296; OKLCH L 66.5% C 0.129 H 248.4°. Best body text is #000000 at 6.93:1 contrast (WCAG AA passes).

Color values

HEX	#4C99DF
RGB	rgb(76, 153, 223)
HSL	hsl(209, 70%, 59%)
HSV	hsv(209, 66%, 87%)
CMYK	cmyk(65.9%, 31.4%, 0%, 12.5%)
CIE-LAB	lab(61.35, -1.94, -42.53)
CIE-LCH	lch(61.35, 42.58, 267.39°)
OKLab	oklab(66.51% -0.0477 -0.1203)
OKLCH	oklch(66.51% 0.129 248.4)
XYZ	xyz(27.6860, 29.6438, 74.0605)
Luminance	0.2965 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C99DF #DF924C

analogous

#4CDFDB #4C99DF #4C4FDF

triadic

#4C99DF #DF4C99 #99DF4C

tetradic

#4C99DF #DB4CDF #DF924C #4FDF4C

square

#4C99DF #DB4CDF #DF924C #4FDF4C

split-complementary

#4C99DF #DF4C4F #DFDB4C

monochromatic

#1B5B96 #247BCA #4C99DF #80B7E8 #B4D4F2

Accessibility & contrast

On white

3.03

#4C99DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.93

#4C99DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C99DF

6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C99DF	#FFFFFF	#000000	##000000
##4C99DF	1.00	3.03	6.93	6.93
#FFFFFF	3.03	1.00	21.00	21.00
#000000	6.93	21.00	1.00	1.00
##000000	6.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A9CE2

Deuteranopia (green-blind)

#668EDE

Tritanopia (blue-blind)

#00AAB2

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #4c99df;
/* rgb */ color: rgb(76, 153, 223);
/* oklch */ color: oklch(66.5% 0.129 248.4);

Tailwind

colors: {
  custom: {
    50: '#8cb6e9',
    500: '#4c99df',
    950: '#000000',
  },
}

SCSS

$custom: #4c99df;
$custom-light: #8cb6e9;
$custom-dark: #000000;

JSON

{
  "hex": "#4c99df",
  "rgb": {
    "r": 76,
    "g": 153,
    "b": 223
  },
  "hsl": {
    "h": 208.571,
    "s": 69.668,
    "l": 58.627
  },
  "oklch": {
    "l": 0.66509,
    "c": 0.12942,
    "h": 248.4
  },
  "luminance": 0.29647
}

Semantic roles & 50–950 ramp

primary

#4C99DF

secondary

#E0C2A6

accent

#903BEC

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #4C99DF

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

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