#4D99CB#4D99CB

#4D99CB is a light, moderate cyan. Relative luminance 0.287; OKLCH L 65.5% C 0.106 H 240.0°. Best body text is #000000 at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#4D99CB
RGB	rgb(77, 153, 203)
HSL	hsl(204, 55%, 55%)
HSV	hsv(204, 62%, 80%)
CMYK	cmyk(62.1%, 24.6%, 0%, 20.4%)
CIE-LAB	lab(60.49, -8.37, -32.72)
CIE-LCH	lch(60.49, 33.77, 255.66°)
OKLab	oklab(65.55% -0.0531 -0.0919)
OKLCH	oklch(65.55% 0.106 240)
XYZ	xyz(25.2272, 28.6696, 60.6926)
Luminance	0.2867 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D99CB #CB7F4D

analogous

#4DCBBE #4D99CB #4D5ACB

triadic

#4D99CB #CB4D99 #99CB4D

tetradic

#4D99CB #BE4DCB #CB7F4D #5ACB4D

square

#4D99CB #BE4DCB #CB7F4D #5ACB4D

split-complementary

#4D99CB #CB4D5A #CBBE4D

monochromatic

#24587A #317AA9 #4D99CB #7CB4D9 #ACCFE7

Accessibility & contrast

On white

3.12

#4D99CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.73

#4D99CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4D99CB

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D99CB	#FFFFFF	#000000	##000000
##4D99CB	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: #4d99cb;
/* rgb */ color: rgb(77, 153, 203);
/* oklch */ color: oklch(65.5% 0.106 240.0);

Tailwind

colors: {
  custom: {
    50: '#8ab6db',
    500: '#4d99cb',
    950: '#000000',
  },
}

SCSS

$custom: #4d99cb;
$custom-light: #8ab6db;
$custom-dark: #000000;

JSON

{
  "hex": "#4d99cb",
  "rgb": {
    "r": 77,
    "g": 153,
    "b": 203
  },
  "hsl": {
    "h": 203.81,
    "s": 54.783,
    "l": 54.902
  },
  "oklch": {
    "l": 0.65549,
    "c": 0.10612,
    "h": 240
  },
  "luminance": 0.28672
}

Semantic roles & 50–950 ramp

primary

#4D99CB

secondary

#D4B49F

accent

#854ADE

background

#F9FBFD

surface

#F1F6FB

border

#CBD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #4D99CB

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

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