#399AC0#399AC0

#399AC0 is a light, moderate cyan. Relative luminance 0.278; OKLCH L 64.6% C 0.105 H 228.0°. Best body text is #000000 at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#399AC0
RGB	rgb(57, 154, 192)
HSL	hsl(197, 54%, 49%)
HSV	hsv(197, 70%, 75%)
CMYK	cmyk(70.3%, 19.8%, 0%, 24.7%)
CIE-LAB	lab(59.69, -15.80, -27.83)
CIE-LCH	lch(59.69, 32.00, 240.41°)
OKLab	oklab(64.59% -0.0703 -0.078)
OKLCH	oklch(64.59% 0.105 228)
XYZ	xyz(22.7535, 27.7843, 54.0227)
Luminance	0.2779 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#399AC0 #C05F39

analogous

#39C0A3 #399AC0 #3957C0

triadic

#399AC0 #C0399A #9AC039

tetradic

#399AC0 #A339C0 #C05F39 #57C039

square

#399AC0 #A339C0 #C05F39 #57C039

split-complementary

#399AC0 #C03957 #C0A339

monochromatic

#1D4E62 #2B7491 #399AC0 #65B3D1 #94CADF

Accessibility & contrast

On white

3.20

#399AC0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.56

#399AC0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399AC0

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##399AC0	#FFFFFF	#000000	##000000
##399AC0	1.00	3.20	6.56	6.56
#FFFFFF	3.20	1.00	21.00	21.00
#000000	6.56	21.00	1.00	1.00
##000000	6.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8697C2

Deuteranopia (green-blind)

#738AC0

Tritanopia (blue-blind)

#00A5A6

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #399ac0;
/* rgb */ color: rgb(57, 154, 192);
/* oklch */ color: oklch(64.6% 0.105 228.0);

Tailwind

colors: {
  custom: {
    50: '#80b7d3',
    500: '#399ac0',
    950: '#000000',
  },
}

SCSS

$custom: #399ac0;
$custom-light: #80b7d3;
$custom-dark: #000000;

JSON

{
  "hex": "#399ac0",
  "rgb": {
    "r": 57,
    "g": 154,
    "b": 192
  },
  "hsl": {
    "h": 196.889,
    "s": 54.217,
    "l": 48.824
  },
  "oklch": {
    "l": 0.64588,
    "c": 0.10496,
    "h": 228
  },
  "luminance": 0.27787
}

Semantic roles & 50–950 ramp

primary

#399AC0

secondary

#CB9C8A

accent

#744ADE

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1114

muted

#7D8082

Preview Lab

Preview with #399AC0

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

Preview Lab → · Contrast checker → · Palette generator →