#4C99BB#4C99BB

#4C99BB is a light, moderate cyan. Relative luminance 0.279; OKLCH L 64.8% C 0.091 H 229.3°. Best body text is #000000 at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#4C99BB
RGB	rgb(76, 153, 187)
HSL	hsl(198, 45%, 52%)
HSV	hsv(198, 59%, 73%)
CMYK	cmyk(59.4%, 18.2%, 0%, 26.7%)
CIE-LAB	lab(59.80, -13.64, -24.79)
CIE-LCH	lch(59.80, 28.29, 241.18°)
OKLab	oklab(64.78% -0.0595 -0.0691)
OKLCH	oklch(64.78% 0.091 229.3)
XYZ	xyz(23.3379, 27.9046, 51.1603)
Luminance	0.2791 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C99BB #BB6E4C

analogous

#4CBBA5 #4C99BB #4C62BB

triadic

#4C99BB #BB4C99 #99BB4C

tetradic

#4C99BB #A54CBB #BB6E4C #62BB4C

square

#4C99BB #A54CBB #BB6E4C #62BB4C

split-complementary

#4C99BB #BB4C62 #BBA54C

monochromatic

#275366 #387692 #4C99BB #78B2CC #A5CCDD

Accessibility & contrast

On white

3.19

#4C99BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.58

#4C99BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C99BB

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C99BB	#FFFFFF	#000000	##000000
##4C99BB	1.00	3.19	6.58	6.58
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.58	21.00	1.00	1.00
##000000	6.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8897BD

Deuteranopia (green-blind)

#788BBB

Tritanopia (blue-blind)

#00A3A4

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #4c99bb;
/* rgb */ color: rgb(76, 153, 187);
/* oklch */ color: oklch(64.8% 0.091 229.3);

Tailwind

colors: {
  custom: {
    50: '#88b7cf',
    500: '#4c99bb',
    950: '#000000',
  },
}

SCSS

$custom: #4c99bb;
$custom-light: #88b7cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4c99bb",
  "rgb": {
    "r": 76,
    "g": 153,
    "b": 187
  },
  "hsl": {
    "h": 198.378,
    "s": 44.939,
    "l": 51.569
  },
  "oklch": {
    "l": 0.64779,
    "c": 0.0912,
    "h": 229.3
  },
  "luminance": 0.27907
}

Semantic roles & 50–950 ramp

primary

#4C99BB

secondary

#CAA899

accent

#7B53D5

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1113

muted

#7D8082

Preview Lab

Preview with #4C99BB

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

Preview Lab → · Contrast checker → · Palette generator →