#399EB6#399EB6

#399EB6 is a light, moderate cyan. Relative luminance 0.287; OKLCH L 65.1% C 0.098 H 216.7°. Best body text is #000000 at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#399EB6
RGB	rgb(57, 158, 182)
HSL	hsl(192, 52%, 47%)
HSV	hsv(192, 69%, 71%)
CMYK	cmyk(68.7%, 13.2%, 0%, 28.6%)
CIE-LAB	lab(60.51, -21.17, -20.93)
CIE-LCH	lch(60.51, 29.77, 224.68°)
OKLab	oklab(65.12% -0.0782 -0.0583)
OKLCH	oklch(65.12% 0.098 216.7)
XYZ	xyz(22.3542, 28.6985, 48.6081)
Luminance	0.2870 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#399EB6 #B65139

analogous

#39B690 #399EB6 #3960B6

triadic

#399EB6 #B6399E #9EB639

tetradic

#399EB6 #9039B6 #B65139 #60B639

square

#399EB6 #9039B6 #B65139 #60B639

split-complementary

#399EB6 #B63960 #B69039

monochromatic

#1C4D59 #2A7687 #399EB6 #5FB8CD #8ECDDC

Accessibility & contrast

On white

3.12

#399EB6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.74

#399EB6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399EB6

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##399EB6	#FFFFFF	#000000	##000000
##399EB6	1.00	3.12	6.74	6.74
#FFFFFF	3.12	1.00	21.00	21.00
#000000	6.74	21.00	1.00	1.00
##000000	6.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E99B7

Deuteranopia (green-blind)

#7C8CB6

Tritanopia (blue-blind)

#00A7A5

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #399eb6;
/* rgb */ color: rgb(57, 158, 182);
/* oklch */ color: oklch(65.1% 0.098 216.7);

Tailwind

colors: {
  custom: {
    50: '#7fbbcc',
    500: '#399eb6',
    950: '#000000',
  },
}

SCSS

$custom: #399eb6;
$custom-light: #7fbbcc;
$custom-dark: #000000;

JSON

{
  "hex": "#399eb6",
  "rgb": {
    "r": 57,
    "g": 158,
    "b": 182
  },
  "hsl": {
    "h": 191.52,
    "s": 52.301,
    "l": 46.863
  },
  "oklch": {
    "l": 0.65118,
    "c": 0.09755,
    "h": 216.7
  },
  "luminance": 0.28701
}

Semantic roles & 50–950 ramp

primary

#399EB6

secondary

#C69185

accent

#684CDC

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #399EB6

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

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