#4F99CF#4F99CF

#4F99CF is a light, moderate cyan. Relative luminance 0.289; OKLCH L 65.8% C 0.109 H 242.6°. Best body text is #000000 at 6.79:1 contrast (WCAG AA passes).

Color values

HEX	#4F99CF
RGB	rgb(79, 153, 207)
HSL	hsl(205, 57%, 56%)
HSV	hsv(205, 62%, 81%)
CMYK	cmyk(61.8%, 26.1%, 0%, 18.8%)
CIE-LAB	lab(60.73, -6.71, -34.57)
CIE-LCH	lch(60.73, 35.21, 259.02°)
OKLab	oklab(65.82% -0.0504 -0.0972)
OKLCH	oklch(65.82% 0.109 242.6)
XYZ	xyz(25.8739, 28.9472, 63.2432)
Luminance	0.2895 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F99CF #CF854F

analogous

#4FCFC5 #4F99CF #4F59CF

triadic

#4F99CF #CF4F99 #99CF4F

tetradic

#4F99CF #C54FCF #CF854F #59CF4F

square

#4F99CF #C54FCF #CF854F #59CF4F

split-complementary

#4F99CF #CF4F59 #CFC54F

monochromatic

#235981 #307AB1 #4F99CF #7FB5DC #AFD1E9

Accessibility & contrast

On white

3.09

#4F99CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.79

#4F99CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F99CF

6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F99CF	#FFFFFF	#000000	##000000
##4F99CF	1.00	3.09	6.79	6.79
#FFFFFF	3.09	1.00	21.00	21.00
#000000	6.79	21.00	1.00	1.00
##000000	6.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#819AD1

Deuteranopia (green-blind)

#708DCE

Tritanopia (blue-blind)

#00A6AC

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #4f99cf;
/* rgb */ color: rgb(79, 153, 207);
/* oklch */ color: oklch(65.8% 0.109 242.6);

Tailwind

colors: {
  custom: {
    50: '#8cb6de',
    500: '#4f99cf',
    950: '#000000',
  },
}

SCSS

$custom: #4f99cf;
$custom-light: #8cb6de;
$custom-dark: #000000;

JSON

{
  "hex": "#4f99cf",
  "rgb": {
    "r": 79,
    "g": 153,
    "b": 207
  },
  "hsl": {
    "h": 205.313,
    "s": 57.143,
    "l": 56.078
  },
  "oklch": {
    "l": 0.65821,
    "c": 0.10949,
    "h": 242.6
  },
  "luminance": 0.2895
}

Semantic roles & 50–950 ramp

primary

#4F99CF

secondary

#D7B9A2

accent

#8847E0

background

#F9FBFD

surface

#F1F6FB

border

#CBD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #4F99CF

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

Preview Lab → · Contrast checker → · Palette generator →