#4D99CC#4D99CC

#4D99CC is a light, moderate cyan. Relative luminance 0.287; OKLCH L 65.6% C 0.107 H 240.5°. Best body text is #000000 at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#4D99CC
RGB	rgb(77, 153, 204)
HSL	hsl(204, 55%, 55%)
HSV	hsv(204, 62%, 80%)
CMYK	cmyk(62.3%, 25%, 0%, 20%)
CIE-LAB	lab(60.53, -8.04, -33.21)
CIE-LCH	lch(60.53, 34.17, 256.39°)
OKLab	oklab(65.6% -0.0528 -0.0933)
OKLCH	oklch(65.6% 0.107 240.5)
XYZ	xyz(25.3468, 28.7174, 61.3223)
Luminance	0.2872 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D99CC #CC804D

analogous

#4DCCBF #4D99CC #4D5ACC

triadic

#4D99CC #CC4D99 #99CC4D

tetradic

#4D99CC #BF4DCC #CC804D #5ACC4D

square

#4D99CC #BF4DCC #CC804D #5ACC4D

split-complementary

#4D99CC #CC4D5A #CCBF4D

monochromatic

#23587B #317AAB #4D99CC #7DB4DA #ACD0E7

Accessibility & contrast

On white

3.11

#4D99CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.74

#4D99CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4D99CC

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D99CC	#FFFFFF	#000000	##000000
##4D99CC	1.00	3.11	6.74	6.74
#FFFFFF	3.11	1.00	21.00	21.00
#000000	6.74	21.00	1.00	1.00
##000000	6.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8299CE

Deuteranopia (green-blind)

#718CCB

Tritanopia (blue-blind)

#00A6AA

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #4d99cc;
/* rgb */ color: rgb(77, 153, 204);
/* oklch */ color: oklch(65.6% 0.107 240.5);

Tailwind

colors: {
  custom: {
    50: '#8ab6db',
    500: '#4d99cc',
    950: '#000000',
  },
}

SCSS

$custom: #4d99cc;
$custom-light: #8ab6db;
$custom-dark: #000000;

JSON

{
  "hex": "#4d99cc",
  "rgb": {
    "r": 77,
    "g": 153,
    "b": 204
  },
  "hsl": {
    "h": 204.094,
    "s": 55.459,
    "l": 55.098
  },
  "oklch": {
    "l": 0.65597,
    "c": 0.10719,
    "h": 240.5
  },
  "luminance": 0.2872
}

Semantic roles & 50–950 ramp

primary

#4D99CC

secondary

#D5B5A0

accent

#8549DF

background

#F9FBFD

surface

#F1F6FB

border

#CBD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #4D99CC

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

Preview Lab → · Contrast checker → · Palette generator →