#399DB9#399DB9

#399DB9 is a light, moderate cyan. Relative luminance 0.285; OKLCH L 65.0% C 0.099 H 220.1°. Best body text is #000000 at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#399DB9
RGB	rgb(57, 157, 185)
HSL	hsl(193, 53%, 47%)
HSV	hsv(193, 69%, 73%)
CMYK	cmyk(69.2%, 15.1%, 0%, 27.5%)
CIE-LAB	lab(60.32, -19.69, -22.92)
CIE-LCH	lch(60.32, 30.21, 229.33°)
OKLab	oklab(65% -0.076 -0.0639)
OKLCH	oklch(65% 0.099 220.1)
XYZ	xyz(22.4977, 28.4841, 50.2018)
Luminance	0.2849 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#399DB9 #B95539

analogous

#39B995 #399DB9 #395DB9

triadic

#399DB9 #B9399D #9DB939

tetradic

#399DB9 #9539B9 #B95539 #5DB939

square

#399DB9 #9539B9 #B95539 #5DB939

split-complementary

#399DB9 #B9395D #B99539

monochromatic

#1C4E5B #2B758A #399DB9 #61B6CE #90CCDD

Accessibility & contrast

On white

3.14

#399DB9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.70

#399DB9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399DB9

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##399DB9	#FFFFFF	#000000	##000000
##399DB9	1.00	3.14	6.70	6.70
#FFFFFF	3.14	1.00	21.00	21.00
#000000	6.70	21.00	1.00	1.00
##000000	6.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C99BB

Deuteranopia (green-blind)

#7A8CB9

Tritanopia (blue-blind)

#00A6A6

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #399db9;
/* rgb */ color: rgb(57, 157, 185);
/* oklch */ color: oklch(65.0% 0.099 220.1);

Tailwind

colors: {
  custom: {
    50: '#80bace',
    500: '#399db9',
    950: '#000000',
  },
}

SCSS

$custom: #399db9;
$custom-light: #80bace;
$custom-dark: #000000;

JSON

{
  "hex": "#399db9",
  "rgb": {
    "r": 57,
    "g": 157,
    "b": 185
  },
  "hsl": {
    "h": 193.125,
    "s": 52.893,
    "l": 47.451
  },
  "oklch": {
    "l": 0.65002,
    "c": 0.09931,
    "h": 220.1
  },
  "luminance": 0.28487
}

Semantic roles & 50–950 ramp

primary

#399DB9

secondary

#C89586

accent

#6B4BDC

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #399DB9

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

Preview Lab → · Contrast checker → · Palette generator →