#399DC9#399DC9

#399DC9 is a light, moderate cyan. Relative luminance 0.292; OKLCH L 65.7% C 0.112 H 231.1°. Best body text is #000000 at 6.84:1 contrast (WCAG AA passes).

Color values

HEX	#399DC9
RGB	rgb(57, 157, 201)
HSL	hsl(198, 57%, 51%)
HSV	hsv(198, 72%, 79%)
CMYK	cmyk(71.6%, 21.9%, 0%, 21.2%)
CIE-LAB	lab(60.96, -14.44, -30.92)
CIE-LCH	lch(60.96, 34.13, 244.97°)
OKLab	oklab(65.72% -0.07 -0.0868)
OKLCH	oklch(65.72% 0.112 231.1)
XYZ	xyz(24.2827, 29.1981, 59.6030)
Luminance	0.2920 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#399DC9 #C96539

analogous

#39C9AD #399DC9 #3955C9

triadic

#399DC9 #C9399D #9DC939

tetradic

#399DC9 #AD39C9 #C96539 #55C939

square

#399DC9 #AD39C9 #C96539 #55C939

split-complementary

#399DC9 #C93955 #C9AD39

monochromatic

#1D536B #2A789B #399DC9 #69B5D6 #99CDE3

Accessibility & contrast

On white

3.07

#399DC9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.84

#399DC9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399DC9

6.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##399DC9	#FFFFFF	#000000	##000000
##399DC9	1.00	3.07	6.84	6.84
#FFFFFF	3.07	1.00	21.00	21.00
#000000	6.84	21.00	1.00	1.00
##000000	6.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#879BCB

Deuteranopia (green-blind)

#738DC8

Tritanopia (blue-blind)

#00A9AC

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #399dc9;
/* rgb */ color: rgb(57, 157, 201);
/* oklch */ color: oklch(65.7% 0.112 231.1);

Tailwind

colors: {
  custom: {
    50: '#82bad9',
    500: '#399dc9',
    950: '#000000',
  },
}

SCSS

$custom: #399dc9;
$custom-light: #82bad9;
$custom-dark: #000000;

JSON

{
  "hex": "#399dc9",
  "rgb": {
    "r": 57,
    "g": 157,
    "b": 201
  },
  "hsl": {
    "h": 198.333,
    "s": 57.143,
    "l": 50.588
  },
  "oklch": {
    "l": 0.65717,
    "c": 0.11154,
    "h": 231.1
  },
  "luminance": 0.29201
}

Semantic roles & 50–950 ramp

primary

#399DC9

secondary

#CFA28F

accent

#7647E0

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1114

muted

#7D8083

Preview Lab

Preview with #399DC9

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

Preview Lab → · Contrast checker → · Palette generator →