#399AC6#399AC6

#399AC6 is a light, moderate cyan. Relative luminance 0.281; OKLCH L 64.9% C 0.110 H 231.8°. Best body text is #000000 at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#399AC6
RGB	rgb(57, 154, 198)
HSL	hsl(199, 55%, 50%)
HSV	hsv(199, 71%, 78%)
CMYK	cmyk(71.2%, 22.2%, 0%, 22.4%)
CIE-LAB	lab(59.94, -13.81, -30.82)
CIE-LCH	lch(59.94, 33.77, 245.87°)
OKLab	oklab(64.86% -0.0681 -0.0866)
OKLCH	oklch(64.86% 0.11 231.8)
XYZ	xyz(23.4319, 28.0556, 57.5955)
Luminance	0.2806 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#399AC6 #C66539

analogous

#39C6AB #399AC6 #3954C6

triadic

#399AC6 #C6399A #9AC639

tetradic

#399AC6 #AB39C6 #C66539 #54C639

square

#399AC6 #AB39C6 #C66539 #54C639

split-complementary

#399AC6 #C63954 #C6AB39

monochromatic

#1E5067 #2B7596 #399AC6 #69B2D4 #98CAE1

Accessibility & contrast

On white

3.18

#399AC6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.61

#399AC6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399AC6

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##399AC6	#FFFFFF	#000000	##000000
##399AC6	1.00	3.18	6.61	6.61
#FFFFFF	3.18	1.00	21.00	21.00
#000000	6.61	21.00	1.00	1.00
##000000	6.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8498C8

Deuteranopia (green-blind)

#718AC5

Tritanopia (blue-blind)

#00A6A9

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #399ac6;
/* rgb */ color: rgb(57, 154, 198);
/* oklch */ color: oklch(64.9% 0.110 231.8);

Tailwind

colors: {
  custom: {
    50: '#81b7d7',
    500: '#399ac6',
    950: '#000000',
  },
}

SCSS

$custom: #399ac6;
$custom-light: #81b7d7;
$custom-dark: #000000;

JSON

{
  "hex": "#399ac6",
  "rgb": {
    "r": 57,
    "g": 154,
    "b": 198
  },
  "hsl": {
    "h": 198.723,
    "s": 55.294,
    "l": 50
  },
  "oklch": {
    "l": 0.64865,
    "c": 0.11015,
    "h": 231.8
  },
  "luminance": 0.28058
}

Semantic roles & 50–950 ramp

primary

#399AC6

secondary

#CDA28E

accent

#7849DF

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1114

muted

#7D8083

Preview Lab

Preview with #399AC6

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

Preview Lab → · Contrast checker → · Palette generator →