#399DAB#399DAB

#399DAB is a light, moderate teal. Relative luminance 0.279; OKLCH L 64.4% C 0.093 H 208.2°. Best body text is #000000 at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#399DAB
RGB	rgb(57, 157, 171)
HSL	hsl(187, 50%, 45%)
HSV	hsv(187, 67%, 67%)
CMYK	cmyk(66.7%, 8.2%, 0%, 32.9%)
CIE-LAB	lab(59.82, -24.09, -15.78)
CIE-LCH	lch(59.82, 28.80, 213.23°)
OKLab	oklab(64.43% -0.0817 -0.0438)
OKLCH	oklch(64.43% 0.093 208.2)
XYZ	xyz(21.0919, 27.9217, 42.7980)
Luminance	0.2792 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#399DAB #AB4739

analogous

#39AB80 #399DAB #3964AB

triadic

#399DAB #AB399D #9DAB39

tetradic

#399DAB #8039AB #AB4739 #64AB39

square

#399DAB #8039AB #AB4739 #64AB39

split-complementary

#399DAB #AB3964 #AB8039

monochromatic

#1A494F #2A737D #399DAB #59BAC8 #87CDD7

Accessibility & contrast

On white

3.19

#399DAB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.58

#399DAB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399DAB

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##399DAB	#FFFFFF	#000000	##000000
##399DAB	1.00	3.19	6.58	6.58
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.58	21.00	1.00	1.00
##000000	6.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9097AC

Deuteranopia (green-blind)

#7F8BAB

Tritanopia (blue-blind)

#00A4A1

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #399dab;
/* rgb */ color: rgb(57, 157, 171);
/* oklch */ color: oklch(64.4% 0.093 208.2);

Tailwind

colors: {
  custom: {
    50: '#7ebac4',
    500: '#399dab',
    950: '#000000',
  },
}

SCSS

$custom: #399dab;
$custom-light: #7ebac4;
$custom-dark: #000000;

JSON

{
  "hex": "#399dab",
  "rgb": {
    "r": 57,
    "g": 157,
    "b": 171
  },
  "hsl": {
    "h": 187.368,
    "s": 50,
    "l": 44.706
  },
  "oklch": {
    "l": 0.64428,
    "c": 0.0927,
    "h": 208.2
  },
  "luminance": 0.27924
}

Semantic roles & 50–950 ramp

primary

#399DAB

secondary

#C1877F

accent

#5F4EDA

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1112

muted

#7C8081

Preview Lab

Preview with #399DAB

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

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