#4099AE#4099AE

#4099AE is a light, moderate cyan. Relative luminance 0.269; OKLCH L 63.8% C 0.089 H 215.9°. Best body text is #000000 at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#4099AE
RGB	rgb(64, 153, 174)
HSL	hsl(191, 46%, 47%)
HSV	hsv(191, 63%, 68%)
CMYK	cmyk(63.2%, 12.1%, 0%, 31.8%)
CIE-LAB	lab(58.91, -19.92, -18.85)
CIE-LCH	lch(58.91, 27.42, 223.42°)
OKLab	oklab(63.79% -0.0723 -0.0524)
OKLCH	oklch(63.79% 0.089 215.9)
XYZ	xyz(21.1424, 26.9262, 44.1192)
Luminance	0.2693 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4099AE #AE5540

analogous

#40AE8C #4099AE #4062AE

triadic

#4099AE #AE4099 #99AE40

tetradic

#4099AE #8C40AE #AE5540 #62AE40

square

#4099AE #8C40AE #AE5540 #62AE40

split-complementary

#4099AE #AE4062 #AE8C40

monochromatic

#1F4A55 #307281 #4099AE #65B4C6 #92CAD7

Accessibility & contrast

On white

3.29

#4099AE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.39

#4099AE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4099AE

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4099AE	#FFFFFF	#000000	##000000
##4099AE	1.00	3.29	6.39	6.39
#FFFFFF	3.29	1.00	21.00	21.00
#000000	6.39	21.00	1.00	1.00
##000000	6.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B94AF

Deuteranopia (green-blind)

#7B89AE

Tritanopia (blue-blind)

#00A19F

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #4099ae;
/* rgb */ color: rgb(64, 153, 174);
/* oklch */ color: oklch(63.8% 0.089 215.9);

Tailwind

colors: {
  custom: {
    50: '#81b7c6',
    500: '#4099ae',
    950: '#000000',
  },
}

SCSS

$custom: #4099ae;
$custom-light: #81b7c6;
$custom-dark: #000000;

JSON

{
  "hex": "#4099ae",
  "rgb": {
    "r": 64,
    "g": 153,
    "b": 174
  },
  "hsl": {
    "h": 191.455,
    "s": 46.218,
    "l": 46.667
  },
  "oklch": {
    "l": 0.63787,
    "c": 0.08926,
    "h": 215.9
  },
  "luminance": 0.26928
}

Semantic roles & 50–950 ramp

primary

#4099AE

secondary

#C29388

accent

#6B52D6

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #4099AE

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

Preview Lab → · Contrast checker → · Palette generator →