#4D99BB#4D99BB

#4D99BB is a light, moderate cyan. Relative luminance 0.279; OKLCH L 64.8% C 0.091 H 229.6°. Best body text is #000000 at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#4D99BB
RGB	rgb(77, 153, 187)
HSL	hsl(199, 45%, 52%)
HSV	hsv(199, 59%, 73%)
CMYK	cmyk(58.8%, 18.2%, 0%, 26.7%)
CIE-LAB	lab(59.84, -13.44, -24.73)
CIE-LCH	lch(59.84, 28.15, 241.47°)
OKLab	oklab(64.82% -0.0588 -0.0689)
OKLCH	oklch(64.82% 0.091 229.6)
XYZ	xyz(23.4180, 27.9459, 51.1641)
Luminance	0.2795 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D99BB #BB6F4D

analogous

#4DBBA6 #4D99BB #4D62BB

triadic

#4D99BB #BB4D99 #99BB4D

tetradic

#4D99BB #A64DBB #BB6F4D #62BB4D

square

#4D99BB #A64DBB #BB6F4D #62BB4D

split-complementary

#4D99BB #BB4D62 #BBA64D

monochromatic

#275366 #387793 #4D99BB #79B2CC #A6CCDD

Accessibility & contrast

On white

3.19

#4D99BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.59

#4D99BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4D99BB

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D99BB	#FFFFFF	#000000	##000000
##4D99BB	1.00	3.19	6.59	6.59
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.59	21.00	1.00	1.00
##000000	6.59	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: #4d99bb;
/* rgb */ color: rgb(77, 153, 187);
/* oklch */ color: oklch(64.8% 0.091 229.6);

Tailwind

colors: {
  custom: {
    50: '#88b7cf',
    500: '#4d99bb',
    950: '#000000',
  },
}

SCSS

$custom: #4d99bb;
$custom-light: #88b7cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4d99bb",
  "rgb": {
    "r": 77,
    "g": 153,
    "b": 187
  },
  "hsl": {
    "h": 198.545,
    "s": 44.715,
    "l": 51.765
  },
  "oklch": {
    "l": 0.64819,
    "c": 0.0906,
    "h": 229.6
  },
  "luminance": 0.27948
}

Semantic roles & 50–950 ramp

primary

#4D99BB

secondary

#CAA99A

accent

#7B53D4

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1113

muted

#7D8082

Preview Lab

Preview with #4D99BB

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

Preview Lab → · Contrast checker → · Palette generator →