#4F99CC#4F99CC

#4F99CC is a light, moderate cyan. Relative luminance 0.288; OKLCH L 65.7% C 0.106 H 241.0°. Best body text is #000000 at 6.76:1 contrast (WCAG AA passes).

Color values

HEX	#4F99CC
RGB	rgb(79, 153, 204)
HSL	hsl(204, 55%, 55%)
HSV	hsv(204, 61%, 80%)
CMYK	cmyk(61.3%, 25%, 0%, 20%)
CIE-LAB	lab(60.61, -7.67, -33.09)
CIE-LCH	lch(60.61, 33.97, 256.94°)
OKLab	oklab(65.68% -0.0514 -0.0929)
OKLCH	oklch(65.68% 0.106 241)
XYZ	xyz(25.5107, 28.8019, 61.3299)
Luminance	0.2880 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F99CC #CC824F

analogous

#4FCCC0 #4F99CC #4F5ACC

triadic

#4F99CC #CC4F99 #99CC4F

tetradic

#4F99CC #C04FCC #CC824F #5ACC4F

square

#4F99CC #C04FCC #CC824F #5ACC4F

split-complementary

#4F99CC #CC4F5A #CCC04F

monochromatic

#24587D #327AAC #4F99CC #7EB4DA #AED0E7

Accessibility & contrast

On white

3.11

#4F99CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.76

#4F99CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F99CC

6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F99CC	#FFFFFF	#000000	##000000
##4F99CC	1.00	3.11	6.76	6.76
#FFFFFF	3.11	1.00	21.00	21.00
#000000	6.76	21.00	1.00	1.00
##000000	6.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8299CE

Deuteranopia (green-blind)

#718DCB

Tritanopia (blue-blind)

#00A6AA

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #4f99cc;
/* rgb */ color: rgb(79, 153, 204);
/* oklch */ color: oklch(65.7% 0.106 241.0);

Tailwind

colors: {
  custom: {
    50: '#8bb6db',
    500: '#4f99cc',
    950: '#000000',
  },
}

SCSS

$custom: #4f99cc;
$custom-light: #8bb6db;
$custom-dark: #000000;

JSON

{
  "hex": "#4f99cc",
  "rgb": {
    "r": 79,
    "g": 153,
    "b": 204
  },
  "hsl": {
    "h": 204.48,
    "s": 55.066,
    "l": 55.49
  },
  "oklch": {
    "l": 0.65677,
    "c": 0.10618,
    "h": 241
  },
  "luminance": 0.28804
}

Semantic roles & 50–950 ramp

primary

#4F99CC

secondary

#D5B7A1

accent

#8649DE

background

#F9FBFD

surface

#F1F6FB

border

#CBD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #4F99CC

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

Preview Lab → · Contrast checker → · Palette generator →