#399DA4#399DA4

#399DA4 is a light, moderate teal. Relative luminance 0.277; OKLCH L 64.2% C 0.091 H 201.7°. Best body text is #000000 at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#399DA4
RGB	rgb(57, 157, 164)
HSL	hsl(184, 48%, 43%)
HSV	hsv(184, 65%, 64%)
CMYK	cmyk(65.2%, 4.3%, 0%, 35.7%)
CIE-LAB	lab(59.58, -26.21, -12.18)
CIE-LCH	lch(59.58, 28.90, 204.92°)
OKLab	oklab(64.16% -0.0847 -0.0337)
OKLCH	oklch(64.16% 0.091 201.7)
XYZ	xyz(20.4423, 27.6619, 39.3767)
Luminance	0.2766 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#399DA4 #A44039

analogous

#39A475 #399DA4 #3967A4

triadic

#399DA4 #A4399D #9DA439

tetradic

#399DA4 #7539A4 #A44039 #67A439

square

#399DA4 #7539A4 #A44039 #67A439

split-complementary

#399DA4 #A43967 #A47539

monochromatic

#194649 #297277 #399DA4 #56BDC4 #83CFD4

Accessibility & contrast

On white

3.21

#399DA4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.53

#399DA4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399DA4

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##399DA4	#FFFFFF	#000000	##000000
##399DA4	1.00	3.21	6.53	6.53
#FFFFFF	3.21	1.00	21.00	21.00
#000000	6.53	21.00	1.00	1.00
##000000	6.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9196A5

Deuteranopia (green-blind)

#818AA4

Tritanopia (blue-blind)

#00A39F

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #399da4;
/* rgb */ color: rgb(57, 157, 164);
/* oklch */ color: oklch(64.2% 0.091 201.7);

Tailwind

colors: {
  custom: {
    50: '#7dbabf',
    500: '#399da4',
    950: '#000000',
  },
}

SCSS

$custom: #399da4;
$custom-light: #7dbabf;
$custom-dark: #000000;

JSON

{
  "hex": "#399da4",
  "rgb": {
    "r": 57,
    "g": 157,
    "b": 164
  },
  "hsl": {
    "h": 183.925,
    "s": 48.416,
    "l": 43.333
  },
  "oklch": {
    "l": 0.64159,
    "c": 0.09118,
    "h": 201.7
  },
  "luminance": 0.27664
}

Semantic roles & 50–950 ramp

primary

#399DA4

secondary

#BE7F7B

accent

#5950D8

background

#F8FBFB

surface

#EFF6F6

border

#CAD0D0

text

#0B1112

muted

#7C8081

Preview Lab

Preview with #399DA4

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

Preview Lab → · Contrast checker → · Palette generator →