#399FC7#399FC7

#399FC7 is a light, moderate cyan. Relative luminance 0.298; OKLCH L 66.1% C 0.109 H 228.2°. Best body text is #000000 at 6.96:1 contrast (WCAG AA passes).

Color values

HEX	#399FC7
RGB	rgb(57, 159, 199)
HSL	hsl(197, 56%, 50%)
HSV	hsv(197, 71%, 78%)
CMYK	cmyk(71.4%, 20.1%, 0%, 22%)
CIE-LAB	lab(61.47, -16.19, -29.01)
CIE-LCH	lch(61.47, 33.22, 240.83°)
OKLab	oklab(66.1% -0.0727 -0.0813)
OKLCH	oklch(66.1% 0.109 228.2)
XYZ	xyz(24.3901, 29.7869, 58.4858)
Luminance	0.2979 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#399FC7 #C76139

analogous

#39C7A8 #399FC7 #3958C7

triadic

#399FC7 #C7399F #9FC739

tetradic

#399FC7 #A839C7 #C76139 #58C739

square

#399FC7 #A839C7 #C76139 #58C739

split-complementary

#399FC7 #C73958 #C7A839

monochromatic

#1D5368 #2B7998 #399FC7 #69B6D4 #98CDE2

Accessibility & contrast

On white

3.02

#399FC7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.96

#399FC7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399FC7

6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##399FC7	#FFFFFF	#000000	##000000
##399FC7	1.00	3.02	6.96	6.96
#FFFFFF	3.02	1.00	21.00	21.00
#000000	6.96	21.00	1.00	1.00
##000000	6.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A9CC9

Deuteranopia (green-blind)

#778EC6

Tritanopia (blue-blind)

#00AAAC

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #399fc7;
/* rgb */ color: rgb(57, 159, 199);
/* oklch */ color: oklch(66.1% 0.109 228.2);

Tailwind

colors: {
  custom: {
    50: '#82bbd8',
    500: '#399fc7',
    950: '#000000',
  },
}

SCSS

$custom: #399fc7;
$custom-light: #82bbd8;
$custom-dark: #000000;

JSON

{
  "hex": "#399fc7",
  "rgb": {
    "r": 57,
    "g": 159,
    "b": 199
  },
  "hsl": {
    "h": 196.901,
    "s": 55.906,
    "l": 50.196
  },
  "oklch": {
    "l": 0.661,
    "c": 0.10909,
    "h": 228.2
  },
  "luminance": 0.2979
}

Semantic roles & 50–950 ramp

primary

#399FC7

secondary

#CEA08E

accent

#7349DF

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1114

muted

#7D8083

Preview Lab

Preview with #399FC7

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

Preview Lab → · Contrast checker → · Palette generator →