#399BC0#399BC0

#399BC0 is a light, moderate cyan. Relative luminance 0.281; OKLCH L 64.8% C 0.105 H 227.1°. Best body text is #000000 at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#399BC0
RGB	rgb(57, 155, 192)
HSL	hsl(196, 54%, 49%)
HSV	hsv(196, 70%, 75%)
CMYK	cmyk(70.3%, 19.3%, 0%, 24.7%)
CIE-LAB	lab(59.99, -16.34, -27.36)
CIE-LCH	lch(59.99, 31.87, 239.15°)
OKLab	oklab(64.83% -0.0713 -0.0766)
OKLCH	oklch(64.83% 0.105 227.1)
XYZ	xyz(22.9193, 28.1157, 54.0779)
Luminance	0.2812 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#399BC0 #C05E39

analogous

#39C0A2 #399BC0 #3958C0

triadic

#399BC0 #C0399B #9BC039

tetradic

#399BC0 #A239C0 #C05E39 #58C039

square

#399BC0 #A239C0 #C05E39 #58C039

split-complementary

#399BC0 #C03958 #C0A239

monochromatic

#1D4F62 #2B7591 #399BC0 #65B4D1 #94CBDF

Accessibility & contrast

On white

3.17

#399BC0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.62

#399BC0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399BC0

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##399BC0	#FFFFFF	#000000	##000000
##399BC0	1.00	3.17	6.62	6.62
#FFFFFF	3.17	1.00	21.00	21.00
#000000	6.62	21.00	1.00	1.00
##000000	6.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8798C2

Deuteranopia (green-blind)

#758BC0

Tritanopia (blue-blind)

#00A6A7

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #399bc0;
/* rgb */ color: rgb(57, 155, 192);
/* oklch */ color: oklch(64.8% 0.105 227.1);

Tailwind

colors: {
  custom: {
    50: '#80b8d3',
    500: '#399bc0',
    950: '#000000',
  },
}

SCSS

$custom: #399bc0;
$custom-light: #80b8d3;
$custom-dark: #000000;

JSON

{
  "hex": "#399bc0",
  "rgb": {
    "r": 57,
    "g": 155,
    "b": 192
  },
  "hsl": {
    "h": 196.444,
    "s": 54.217,
    "l": 48.824
  },
  "oklch": {
    "l": 0.64827,
    "c": 0.10466,
    "h": 227.1
  },
  "luminance": 0.28118
}

Semantic roles & 50–950 ramp

primary

#399BC0

secondary

#CB9C8A

accent

#734ADE

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1114

muted

#7D8082

Preview Lab

Preview with #399BC0

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

Preview Lab → · Contrast checker → · Palette generator →