#4F99BB#4F99BB

#4F99BB is a light, moderate cyan. Relative luminance 0.280; OKLCH L 64.9% C 0.089 H 230.1°. Best body text is #000000 at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#4F99BB
RGB	rgb(79, 153, 187)
HSL	hsl(199, 44%, 52%)
HSV	hsv(199, 58%, 73%)
CMYK	cmyk(57.8%, 18.2%, 0%, 26.7%)
CIE-LAB	lab(59.92, -13.04, -24.61)
CIE-LCH	lch(59.92, 27.85, 242.08°)
OKLab	oklab(64.9% -0.0573 -0.0686)
OKLCH	oklch(64.9% 0.089 230.1)
XYZ	xyz(23.5819, 28.0304, 51.1717)
Luminance	0.2803 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F99BB #BB714F

analogous

#4FBBA7 #4F99BB #4F63BB

triadic

#4F99BB #BB4F99 #99BB4F

tetradic

#4F99BB #A74FBB #BB714F #63BB4F

square

#4F99BB #A74FBB #BB714F #63BB4F

split-complementary

#4F99BB #BB4F63 #BBA74F

monochromatic

#285468 #397794 #4F99BB #7BB3CC #A7CCDD

Accessibility & contrast

On white

3.18

#4F99BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.61

#4F99BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F99BB

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F99BB	#FFFFFF	#000000	##000000
##4F99BB	1.00	3.18	6.61	6.61
#FFFFFF	3.18	1.00	21.00	21.00
#000000	6.61	21.00	1.00	1.00
##000000	6.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8897BD

Deuteranopia (green-blind)

#798BBB

Tritanopia (blue-blind)

#00A2A4

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #4f99bb;
/* rgb */ color: rgb(79, 153, 187);
/* oklch */ color: oklch(64.9% 0.089 230.1);

Tailwind

colors: {
  custom: {
    50: '#89b7cf',
    500: '#4f99bb',
    950: '#000000',
  },
}

SCSS

$custom: #4f99bb;
$custom-light: #89b7cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4f99bb",
  "rgb": {
    "r": 79,
    "g": 153,
    "b": 187
  },
  "hsl": {
    "h": 198.889,
    "s": 44.262,
    "l": 52.157
  },
  "oklch": {
    "l": 0.64901,
    "c": 0.08939,
    "h": 230.1
  },
  "luminance": 0.28033
}

Semantic roles & 50–950 ramp

primary

#4F99BB

secondary

#CAAA9B

accent

#7C54D4

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1113

muted

#7D8082

Preview Lab

Preview with #4F99BB

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

Preview Lab → · Contrast checker → · Palette generator →