#3F99AE#3F99AE

#3F99AE is a light, moderate cyan. Relative luminance 0.269; OKLCH L 63.8% C 0.090 H 215.8°. Best body text is #000000 at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#3F99AE
RGB	rgb(63, 153, 174)
HSL	hsl(191, 47%, 46%)
HSV	hsv(191, 64%, 68%)
CMYK	cmyk(63.8%, 12.1%, 0%, 31.8%)
CIE-LAB	lab(58.88, -20.09, -18.90)
CIE-LCH	lch(58.88, 27.58, 223.25°)
OKLab	oklab(63.75% -0.0729 -0.0525)
OKLCH	oklch(63.75% 0.09 215.8)
XYZ	xyz(21.0780, 26.8930, 44.1162)
Luminance	0.2690 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F99AE #AE543F

analogous

#3FAE8C #3F99AE #3F62AE

triadic

#3F99AE #AE3F99 #99AE3F

tetradic

#3F99AE #8C3FAE #AE543F #62AE3F

square

#3F99AE #8C3FAE #AE543F #62AE3F

split-complementary

#3F99AE #AE3F62 #AE8C3F

monochromatic

#1E4A54 #2F7181 #3F99AE #64B4C7 #90CAD7

Accessibility & contrast

On white

3.29

#3F99AE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.38

#3F99AE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F99AE

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F99AE	#FFFFFF	#000000	##000000
##3F99AE	1.00	3.29	6.38	6.38
#FFFFFF	3.29	1.00	21.00	21.00
#000000	6.38	21.00	1.00	1.00
##000000	6.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A94AF

Deuteranopia (green-blind)

#7A89AE

Tritanopia (blue-blind)

#00A19F

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #3f99ae;
/* rgb */ color: rgb(63, 153, 174);
/* oklch */ color: oklch(63.8% 0.090 215.8);

Tailwind

colors: {
  custom: {
    50: '#80b7c6',
    500: '#3f99ae',
    950: '#000000',
  },
}

SCSS

$custom: #3f99ae;
$custom-light: #80b7c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3f99ae",
  "rgb": {
    "r": 63,
    "g": 153,
    "b": 174
  },
  "hsl": {
    "h": 191.351,
    "s": 46.835,
    "l": 46.471
  },
  "oklch": {
    "l": 0.63753,
    "c": 0.08983,
    "h": 215.8
  },
  "luminance": 0.26895
}

Semantic roles & 50–950 ramp

primary

#3F99AE

secondary

#C29287

accent

#6B51D6

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #3F99AE

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

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