#4B99BB#4B99BB

#4B99BB is a light, moderate cyan. Relative luminance 0.279; OKLCH L 64.7% C 0.092 H 229.0°. Best body text is #000000 at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#4B99BB
RGB	rgb(75, 153, 187)
HSL	hsl(198, 45%, 51%)
HSV	hsv(198, 60%, 73%)
CMYK	cmyk(59.9%, 18.2%, 0%, 26.7%)
CIE-LAB	lab(59.77, -13.83, -24.85)
CIE-LCH	lch(59.77, 28.44, 240.90°)
OKLab	oklab(64.74% -0.0602 -0.0693)
OKLCH	oklch(64.74% 0.092 229)
XYZ	xyz(23.2591, 27.8639, 51.1566)
Luminance	0.2787 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B99BB #BB6D4B

analogous

#4BBBA5 #4B99BB #4B61BB

triadic

#4B99BB #BB4B99 #99BB4B

tetradic

#4B99BB #A54BBB #BB6D4B #61BB4B

square

#4B99BB #A54BBB #BB6D4B #61BB4B

split-complementary

#4B99BB #BB4B61 #BBA54B

monochromatic

#265265 #377692 #4B99BB #77B2CC #A4CBDD

Accessibility & contrast

On white

3.19

#4B99BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.57

#4B99BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B99BB

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B99BB	#FFFFFF	#000000	##000000
##4B99BB	1.00	3.19	6.57	6.57
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.57	21.00	1.00	1.00
##000000	6.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8797BD

Deuteranopia (green-blind)

#788BBB

Tritanopia (blue-blind)

#00A3A4

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #4b99bb;
/* rgb */ color: rgb(75, 153, 187);
/* oklch */ color: oklch(64.7% 0.092 229.0);

Tailwind

colors: {
  custom: {
    50: '#87b7cf',
    500: '#4b99bb',
    950: '#000000',
  },
}

SCSS

$custom: #4b99bb;
$custom-light: #87b7cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4b99bb",
  "rgb": {
    "r": 75,
    "g": 153,
    "b": 187
  },
  "hsl": {
    "h": 198.214,
    "s": 45.161,
    "l": 51.373
  },
  "oklch": {
    "l": 0.6474,
    "c": 0.09179,
    "h": 229
  },
  "luminance": 0.27866
}

Semantic roles & 50–950 ramp

primary

#4B99BB

secondary

#CAA798

accent

#7A53D5

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1113

muted

#7D8082

Preview Lab

Preview with #4B99BB

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

Preview Lab → · Contrast checker → · Palette generator →