#399DB6#399DB6

#399DB6 is a light, moderate cyan. Relative luminance 0.284; OKLCH L 64.9% C 0.098 H 217.7°. Best body text is #000000 at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#399DB6
RGB	rgb(57, 157, 182)
HSL	hsl(192, 52%, 47%)
HSV	hsv(192, 69%, 71%)
CMYK	cmyk(68.7%, 13.7%, 0%, 28.6%)
CIE-LAB	lab(60.21, -20.65, -21.40)
CIE-LCH	lch(60.21, 29.73, 226.02°)
OKLab	oklab(64.88% -0.0772 -0.0596)
OKLCH	oklch(64.88% 0.098 217.7)
XYZ	xyz(22.1843, 28.3587, 48.5515)
Luminance	0.2836 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#399DB6 #B65239

analogous

#39B691 #399DB6 #395FB6

triadic

#399DB6 #B6399D #9DB639

tetradic

#399DB6 #9139B6 #B65239 #5FB639

square

#399DB6 #9139B6 #B65239 #5FB639

split-complementary

#399DB6 #B6395F #B69139

monochromatic

#1C4D59 #2A7587 #399DB6 #5FB7CD #8ECCDC

Accessibility & contrast

On white

3.15

#399DB6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.67

#399DB6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399DB6

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##399DB6	#FFFFFF	#000000	##000000
##399DB6	1.00	3.15	6.67	6.67
#FFFFFF	3.15	1.00	21.00	21.00
#000000	6.67	21.00	1.00	1.00
##000000	6.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D98B7

Deuteranopia (green-blind)

#7B8CB6

Tritanopia (blue-blind)

#00A6A5

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #399db6;
/* rgb */ color: rgb(57, 157, 182);
/* oklch */ color: oklch(64.9% 0.098 217.7);

Tailwind

colors: {
  custom: {
    50: '#7fbacc',
    500: '#399db6',
    950: '#000000',
  },
}

SCSS

$custom: #399db6;
$custom-light: #7fbacc;
$custom-dark: #000000;

JSON

{
  "hex": "#399db6",
  "rgb": {
    "r": 57,
    "g": 157,
    "b": 182
  },
  "hsl": {
    "h": 192,
    "s": 52.301,
    "l": 46.863
  },
  "oklch": {
    "l": 0.64875,
    "c": 0.09753,
    "h": 217.7
  },
  "luminance": 0.28361
}

Semantic roles & 50–950 ramp

primary

#399DB6

secondary

#C69285

accent

#694CDC

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #399DB6

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

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