#399FC6#399FC6

#399FC6 is a light, moderate cyan. Relative luminance 0.297; OKLCH L 66.1% C 0.108 H 227.6°. Best body text is #000000 at 6.95:1 contrast (WCAG AA passes).

Color values

HEX	#399FC6
RGB	rgb(57, 159, 198)
HSL	hsl(197, 55%, 50%)
HSV	hsv(197, 71%, 78%)
CMYK	cmyk(71.2%, 19.7%, 0%, 22.4%)
CIE-LAB	lab(61.43, -16.52, -28.51)
CIE-LCH	lch(61.43, 32.95, 239.91°)
OKLab	oklab(66.05% -0.0731 -0.0799)
OKLCH	oklch(66.05% 0.108 227.6)
XYZ	xyz(24.2744, 29.7406, 57.8763)
Luminance	0.2974 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#399FC6 #C66039

analogous

#39C6A7 #399FC6 #3958C6

triadic

#399FC6 #C6399F #9FC639

tetradic

#399FC6 #A739C6 #C66039 #58C639

square

#399FC6 #A739C6 #C66039 #58C639

split-complementary

#399FC6 #C63958 #C6A739

monochromatic

#1E5367 #2B7996 #399FC6 #69B6D4 #98CDE1

Accessibility & contrast

On white

3.02

#399FC6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.95

#399FC6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399FC6

6.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##399FC6	#FFFFFF	#000000	##000000
##399FC6	1.00	3.02	6.95	6.95
#FFFFFF	3.02	1.00	21.00	21.00
#000000	6.95	21.00	1.00	1.00
##000000	6.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A9CC8

Deuteranopia (green-blind)

#778EC6

Tritanopia (blue-blind)

#00AAAC

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #399fc6;
/* rgb */ color: rgb(57, 159, 198);
/* oklch */ color: oklch(66.1% 0.108 227.6);

Tailwind

colors: {
  custom: {
    50: '#81bbd7',
    500: '#399fc6',
    950: '#000000',
  },
}

SCSS

$custom: #399fc6;
$custom-light: #81bbd7;
$custom-dark: #000000;

JSON

{
  "hex": "#399fc6",
  "rgb": {
    "r": 57,
    "g": 159,
    "b": 198
  },
  "hsl": {
    "h": 196.596,
    "s": 55.294,
    "l": 50
  },
  "oklch": {
    "l": 0.66055,
    "c": 0.10828,
    "h": 227.6
  },
  "luminance": 0.29743
}

Semantic roles & 50–950 ramp

primary

#399FC6

secondary

#CD9F8E

accent

#7349DF

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1114

muted

#7D8083

Preview Lab

Preview with #399FC6

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

Preview Lab → · Contrast checker → · Palette generator →