#399DC3#399DC3

#399DC3 is a light, moderate cyan. Relative luminance 0.289; OKLCH L 65.4% C 0.106 H 227.3°. Best body text is #000000 at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#399DC3
RGB	rgb(57, 157, 195)
HSL	hsl(197, 55%, 49%)
HSV	hsv(197, 71%, 76%)
CMYK	cmyk(70.8%, 19.5%, 0%, 23.5%)
CIE-LAB	lab(60.71, -16.43, -27.94)
CIE-LCH	lch(60.71, 32.41, 239.54°)
OKLab	oklab(65.44% -0.0722 -0.0783)
OKLCH	oklch(65.44% 0.106 227.3)
XYZ	xyz(23.5907, 28.9213, 55.9582)
Luminance	0.2892 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#399DC3 #C35F39

analogous

#39C3A4 #399DC3 #3958C3

triadic

#399DC3 #C3399D #9DC339

tetradic

#399DC3 #A439C3 #C35F39 #58C339

square

#399DC3 #A439C3 #C35F39 #58C339

split-complementary

#399DC3 #C33958 #C3A439

monochromatic

#1D5164 #2B7794 #399DC3 #67B5D2 #96CCE0

Accessibility & contrast

On white

3.10

#399DC3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.78

#399DC3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399DC3

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##399DC3	#FFFFFF	#000000	##000000
##399DC3	1.00	3.10	6.78	6.78
#FFFFFF	3.10	1.00	21.00	21.00
#000000	6.78	21.00	1.00	1.00
##000000	6.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#899AC5

Deuteranopia (green-blind)

#768CC3

Tritanopia (blue-blind)

#00A8A9

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #399dc3;
/* rgb */ color: rgb(57, 157, 195);
/* oklch */ color: oklch(65.4% 0.106 227.3);

Tailwind

colors: {
  custom: {
    50: '#81bad5',
    500: '#399dc3',
    950: '#000000',
  },
}

SCSS

$custom: #399dc3;
$custom-light: #81bad5;
$custom-dark: #000000;

JSON

{
  "hex": "#399dc3",
  "rgb": {
    "r": 57,
    "g": 157,
    "b": 195
  },
  "hsl": {
    "h": 196.522,
    "s": 54.762,
    "l": 49.412
  },
  "oklch": {
    "l": 0.65442,
    "c": 0.10648,
    "h": 227.3
  },
  "luminance": 0.28924
}

Semantic roles & 50–950 ramp

primary

#399DC3

secondary

#CC9E8C

accent

#734ADE

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1114

muted

#7D8083

Preview Lab

Preview with #399DC3

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

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