#4F99BF#4F99BF

#4F99BF is a light, moderate cyan. Relative luminance 0.282; OKLCH L 65.1% C 0.093 H 233.1°. Best body text is #000000 at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#4F99BF
RGB	rgb(79, 153, 191)
HSL	hsl(200, 47%, 53%)
HSV	hsv(200, 59%, 75%)
CMYK	cmyk(58.6%, 19.9%, 0%, 25.1%)
CIE-LAB	lab(60.07, -11.80, -26.62)
CIE-LCH	lch(60.07, 29.12, 246.09°)
OKLab	oklab(65.08% -0.0559 -0.0743)
OKLCH	oklch(65.08% 0.093 233.1)
XYZ	xyz(24.0161, 28.2041, 53.4584)
Luminance	0.2821 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F99BF #BF754F

analogous

#4FBFAD #4F99BF #4F61BF

triadic

#4F99BF #BF4F99 #99BF4F

tetradic

#4F99BF #AD4FBF #BF754F #61BF4F

square

#4F99BF #AD4FBF #BF754F #61BF4F

split-complementary

#4F99BF #BF4F61 #BFAD4F

monochromatic

#27556C #387899 #4F99BF #7CB3CF #A9CDE0

Accessibility & contrast

On white

3.16

#4F99BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.64

#4F99BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F99BF

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F99BF	#FFFFFF	#000000	##000000
##4F99BF	1.00	3.16	6.64	6.64
#FFFFFF	3.16	1.00	21.00	21.00
#000000	6.64	21.00	1.00	1.00
##000000	6.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8797C1

Deuteranopia (green-blind)

#778CBE

Tritanopia (blue-blind)

#00A3A6

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #4f99bf;
/* rgb */ color: rgb(79, 153, 191);
/* oklch */ color: oklch(65.1% 0.093 233.1);

Tailwind

colors: {
  custom: {
    50: '#8ab7d2',
    500: '#4f99bf',
    950: '#000000',
  },
}

SCSS

$custom: #4f99bf;
$custom-light: #8ab7d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4f99bf",
  "rgb": {
    "r": 79,
    "g": 153,
    "b": 191
  },
  "hsl": {
    "h": 200.357,
    "s": 46.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.65078,
    "c": 0.09298,
    "h": 233.1
  },
  "luminance": 0.28206
}

Semantic roles & 50–950 ramp

primary

#4F99BF

secondary

#CDAD9D

accent

#7F51D6

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1114

muted

#7D8082

Preview Lab

Preview with #4F99BF

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

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