#399CC7#399CC7

#399CC7 is a light, moderate cyan. Relative luminance 0.288; OKLCH L 65.4% C 0.110 H 230.7°. Best body text is #000000 at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#399CC7
RGB	rgb(57, 156, 199)
HSL	hsl(198, 56%, 50%)
HSV	hsv(198, 71%, 78%)
CMYK	cmyk(71.4%, 21.6%, 0%, 22%)
CIE-LAB	lab(60.58, -14.56, -30.39)
CIE-LCH	lch(60.58, 33.70, 244.40°)
OKLab	oklab(65.39% -0.0697 -0.0853)
OKLCH	oklch(65.39% 0.11 230.7)
XYZ	xyz(23.8805, 28.7676, 58.3159)
Luminance	0.2877 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#399CC7 #C76439

analogous

#39C7AB #399CC7 #3955C7

triadic

#399CC7 #C7399C #9CC739

tetradic

#399CC7 #AB39C7 #C76439 #55C739

square

#399CC7 #AB39C7 #C76439 #55C739

split-complementary

#399CC7 #C73955 #C7AB39

monochromatic

#1D5268 #2B7798 #399CC7 #69B4D4 #98CCE2

Accessibility & contrast

On white

3.11

#399CC7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.75

#399CC7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399CC7

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##399CC7	#FFFFFF	#000000	##000000
##399CC7	1.00	3.11	6.75	6.75
#FFFFFF	3.11	1.00	21.00	21.00
#000000	6.75	21.00	1.00	1.00
##000000	6.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#869AC9

Deuteranopia (green-blind)

#738CC6

Tritanopia (blue-blind)

#00A8AA

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #399cc7;
/* rgb */ color: rgb(57, 156, 199);
/* oklch */ color: oklch(65.4% 0.110 230.7);

Tailwind

colors: {
  custom: {
    50: '#81b9d8',
    500: '#399cc7',
    950: '#000000',
  },
}

SCSS

$custom: #399cc7;
$custom-light: #81b9d8;
$custom-dark: #000000;

JSON

{
  "hex": "#399cc7",
  "rgb": {
    "r": 57,
    "g": 156,
    "b": 199
  },
  "hsl": {
    "h": 198.169,
    "s": 55.906,
    "l": 50.196
  },
  "oklch": {
    "l": 0.65387,
    "c": 0.11019,
    "h": 230.7
  },
  "luminance": 0.2877
}

Semantic roles & 50–950 ramp

primary

#399CC7

secondary

#CEA18E

accent

#7649DF

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1114

muted

#7D8083

Preview Lab

Preview with #399CC7

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

Preview Lab → · Contrast checker → · Palette generator →