#399BC1#399BC1

#399BC1 is a light, moderate cyan. Relative luminance 0.282; OKLCH L 64.9% C 0.105 H 227.8°. Best body text is #000000 at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#399BC1
RGB	rgb(57, 155, 193)
HSL	hsl(197, 54%, 49%)
HSV	hsv(197, 70%, 76%)
CMYK	cmyk(70.5%, 19.7%, 0%, 24.3%)
CIE-LAB	lab(60.03, -16.01, -27.86)
CIE-LCH	lch(60.03, 32.14, 240.11°)
OKLab	oklab(64.87% -0.0709 -0.0781)
OKLCH	oklch(64.87% 0.105 227.8)
XYZ	xyz(23.0304, 28.1602, 54.6634)
Luminance	0.2816 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#399BC1 #C15F39

analogous

#39C1A3 #399BC1 #3957C1

triadic

#399BC1 #C1399B #9BC139

tetradic

#399BC1 #A339C1 #C15F39 #57C139

square

#399BC1 #A339C1 #C15F39 #57C139

split-complementary

#399BC1 #C13957 #C1A339

monochromatic

#1D4F63 #2B7592 #399BC1 #66B3D2 #95CBE0

Accessibility & contrast

On white

3.17

#399BC1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.63

#399BC1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399BC1

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##399BC1	#FFFFFF	#000000	##000000
##399BC1	1.00	3.17	6.63	6.63
#FFFFFF	3.17	1.00	21.00	21.00
#000000	6.63	21.00	1.00	1.00
##000000	6.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8798C3

Deuteranopia (green-blind)

#748BC1

Tritanopia (blue-blind)

#00A6A7

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #399bc1;
/* rgb */ color: rgb(57, 155, 193);
/* oklch */ color: oklch(64.9% 0.105 227.8);

Tailwind

colors: {
  custom: {
    50: '#80b8d3',
    500: '#399bc1',
    950: '#000000',
  },
}

SCSS

$custom: #399bc1;
$custom-light: #80b8d3;
$custom-dark: #000000;

JSON

{
  "hex": "#399bc1",
  "rgb": {
    "r": 57,
    "g": 155,
    "b": 193
  },
  "hsl": {
    "h": 196.765,
    "s": 54.4,
    "l": 49.02
  },
  "oklch": {
    "l": 0.64872,
    "c": 0.10547,
    "h": 227.8
  },
  "luminance": 0.28163
}

Semantic roles & 50–950 ramp

primary

#399BC1

secondary

#CB9D8B

accent

#734ADE

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1114

muted

#7D8083

Preview Lab

Preview with #399BC1

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

Preview Lab → · Contrast checker → · Palette generator →