#4E99BB#4E99BB

#4E99BB is a light, moderate cyan. Relative luminance 0.280; OKLCH L 64.9% C 0.090 H 229.8°. Best body text is #000000 at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#4E99BB
RGB	rgb(78, 153, 187)
HSL	hsl(199, 44%, 52%)
HSV	hsv(199, 58%, 73%)
CMYK	cmyk(58.3%, 18.2%, 0%, 26.7%)
CIE-LAB	lab(59.88, -13.24, -24.67)
CIE-LCH	lch(59.88, 28.00, 241.77°)
OKLab	oklab(64.86% -0.0581 -0.0688)
OKLCH	oklch(64.86% 0.09 229.8)
XYZ	xyz(23.4993, 27.9878, 51.1679)
Luminance	0.2799 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E99BB #BB704E

analogous

#4EBBA7 #4E99BB #4E62BB

triadic

#4E99BB #BB4E99 #99BB4E

tetradic

#4E99BB #A74EBB #BB704E #62BB4E

square

#4E99BB #A74EBB #BB704E #62BB4E

split-complementary

#4E99BB #BB4E62 #BBA74E

monochromatic

#285367 #397793 #4E99BB #7AB2CC #A6CCDD

Accessibility & contrast

On white

3.18

#4E99BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.60

#4E99BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E99BB

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E99BB	#FFFFFF	#000000	##000000
##4E99BB	1.00	3.18	6.60	6.60
#FFFFFF	3.18	1.00	21.00	21.00
#000000	6.60	21.00	1.00	1.00
##000000	6.60	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: #4e99bb;
/* rgb */ color: rgb(78, 153, 187);
/* oklch */ color: oklch(64.9% 0.090 229.8);

Tailwind

colors: {
  custom: {
    50: '#89b7cf',
    500: '#4e99bb',
    950: '#000000',
  },
}

SCSS

$custom: #4e99bb;
$custom-light: #89b7cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4e99bb",
  "rgb": {
    "r": 78,
    "g": 153,
    "b": 187
  },
  "hsl": {
    "h": 198.716,
    "s": 44.49,
    "l": 51.961
  },
  "oklch": {
    "l": 0.6486,
    "c": 0.09,
    "h": 229.8
  },
  "luminance": 0.2799
}

Semantic roles & 50–950 ramp

primary

#4E99BB

secondary

#CAA99B

accent

#7C54D4

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1113

muted

#7D8082

Preview Lab

Preview with #4E99BB

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

Preview Lab → · Contrast checker → · Palette generator →