#4F99BC#4F99BC

#4F99BC is a light, moderate cyan. Relative luminance 0.281; OKLCH L 64.9% C 0.090 H 230.9°. Best body text is #000000 at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#4F99BC
RGB	rgb(79, 153, 188)
HSL	hsl(199, 45%, 52%)
HSV	hsv(199, 58%, 74%)
CMYK	cmyk(58%, 18.6%, 0%, 26.3%)
CIE-LAB	lab(59.95, -12.73, -25.11)
CIE-LCH	lch(59.95, 28.15, 243.11°)
OKLab	oklab(64.94% -0.057 -0.07)
OKLCH	oklch(64.94% 0.09 230.9)
XYZ	xyz(23.6893, 28.0734, 51.7375)
Luminance	0.2808 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F99BC #BC724F

analogous

#4FBCA9 #4F99BC #4F63BC

triadic

#4F99BC #BC4F99 #99BC4F

tetradic

#4F99BC #A94FBC #BC724F #63BC4F

square

#4F99BC #A94FBC #BC724F #63BC4F

split-complementary

#4F99BC #BC4F63 #BCA94F

monochromatic

#285469 #397795 #4F99BC #7BB3CD #A8CCDE

Accessibility & contrast

On white

3.17

#4F99BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.62

#4F99BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F99BC

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F99BC	#FFFFFF	#000000	##000000
##4F99BC	1.00	3.17	6.62	6.62
#FFFFFF	3.17	1.00	21.00	21.00
#000000	6.62	21.00	1.00	1.00
##000000	6.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8797BE

Deuteranopia (green-blind)

#788BBC

Tritanopia (blue-blind)

#00A3A4

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #4f99bc;
/* rgb */ color: rgb(79, 153, 188);
/* oklch */ color: oklch(64.9% 0.090 230.9);

Tailwind

colors: {
  custom: {
    50: '#89b7d0',
    500: '#4f99bc',
    950: '#000000',
  },
}

SCSS

$custom: #4f99bc;
$custom-light: #89b7d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4f99bc",
  "rgb": {
    "r": 79,
    "g": 153,
    "b": 188
  },
  "hsl": {
    "h": 199.266,
    "s": 44.856,
    "l": 52.353
  },
  "oklch": {
    "l": 0.64945,
    "c": 0.09027,
    "h": 230.9
  },
  "luminance": 0.28076
}

Semantic roles & 50–950 ramp

primary

#4F99BC

secondary

#CBAB9C

accent

#7D53D5

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1114

muted

#7D8082

Preview Lab

Preview with #4F99BC

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

Preview Lab → · Contrast checker → · Palette generator →