#399C9D#399C9D

#399C9D is a light, moderate teal. Relative luminance 0.271; OKLCH L 63.7% C 0.090 H 196.1°. Best body text is #000000 at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#399C9D
RGB	rgb(57, 156, 157)
HSL	hsl(181, 47%, 42%)
HSV	hsv(181, 64%, 62%)
CMYK	cmyk(63.7%, 0.6%, 0%, 38.4%)
CIE-LAB	lab(59.05, -27.79, -9.01)
CIE-LCH	lch(59.05, 29.21, 197.97°)
OKLab	oklab(63.65% -0.0867 -0.025)
OKLCH	oklch(63.65% 0.09 196.1)
XYZ	xyz(19.6589, 27.0790, 36.0825)
Luminance	0.2708 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#399C9D #9D3A39

analogous

#399D6C #399C9D #396A9D

triadic

#399C9D #9D399C #9C9D39

tetradic

#399C9D #6C399D #9D3A39 #6A9D39

square

#399C9D #6C399D #9D3A39 #6A9D39

split-complementary

#399C9D #9D396A #9D6C39

monochromatic

#184343 #296F70 #399C9D #53BFC0 #80D0D1

Accessibility & contrast

On white

3.27

#399C9D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.42

#399C9D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399C9D

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##399C9D	#FFFFFF	#000000	##000000
##399C9D	1.00	3.27	6.42	6.42
#FFFFFF	3.27	1.00	21.00	21.00
#000000	6.42	21.00	1.00	1.00
##000000	6.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#92959D

Deuteranopia (green-blind)

#82899E

Tritanopia (blue-blind)

#00A19C

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #399c9d;
/* rgb */ color: rgb(57, 156, 157);
/* oklch */ color: oklch(63.7% 0.090 196.1);

Tailwind

colors: {
  custom: {
    50: '#7cb9b9',
    500: '#399c9d',
    950: '#000000',
  },
}

SCSS

$custom: #399c9d;
$custom-light: #7cb9b9;
$custom-dark: #000000;

JSON

{
  "hex": "#399c9d",
  "rgb": {
    "r": 57,
    "g": 156,
    "b": 157
  },
  "hsl": {
    "h": 180.6,
    "s": 46.729,
    "l": 41.961
  },
  "oklch": {
    "l": 0.63652,
    "c": 0.09025,
    "h": 196.1
  },
  "luminance": 0.27081
}

Semantic roles & 50–950 ramp

primary

#399C9D

secondary

#BA7878

accent

#5351D6

background

#F8FBFB

surface

#EFF6F6

border

#CAD0D0

text

#0B1111

muted

#7C8080

Preview Lab

Preview with #399C9D

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

Preview Lab → · Contrast checker → · Palette generator →