#399FCD#399FCD

#399FCD is a light, moderate cyan. Relative luminance 0.301; OKLCH L 66.4% C 0.114 H 231.9°. Best body text is #000000 at 7.01:1 contrast (WCAG AA passes).

Color values

HEX	#399FCD
RGB	rgb(57, 159, 205)
HSL	hsl(199, 60%, 51%)
HSV	hsv(199, 72%, 80%)
CMYK	cmyk(72.2%, 22.4%, 0%, 19.6%)
CIE-LAB	lab(61.72, -14.19, -31.98)
CIE-LCH	lch(61.72, 34.99, 246.07°)
OKLab	oklab(66.38% -0.0705 -0.0899)
OKLCH	oklch(66.38% 0.114 231.9)
XYZ	xyz(25.1005, 30.0710, 62.2272)
Luminance	0.3007 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#399FCD #CD6739

analogous

#39CDB1 #399FCD #3955CD

triadic

#399FCD #CD399F #9FCD39

tetradic

#399FCD #B139CD #CD6739 #55CD39

square

#399FCD #B139CD #CD6739 #55CD39

split-complementary

#399FCD #CD3955 #CDB139

monochromatic

#1C566F #287BA0 #399FCD #6AB7D9 #9BCEE6

Accessibility & contrast

On white

2.99

#399FCD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.01

#399FCD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #399FCD

7.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##399FCD	#FFFFFF	#000000	##000000
##399FCD	1.00	2.99	7.01	7.01
#FFFFFF	2.99	1.00	21.00	21.00
#000000	7.01	21.00	1.00	1.00
##000000	7.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#889DCF

Deuteranopia (green-blind)

#748FCC

Tritanopia (blue-blind)

#00ABAE

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #399fcd;
/* rgb */ color: rgb(57, 159, 205);
/* oklch */ color: oklch(66.4% 0.114 231.9);

Tailwind

colors: {
  custom: {
    50: '#82bbdc',
    500: '#399fcd',
    950: '#000000',
  },
}

SCSS

$custom: #399fcd;
$custom-light: #82bbdc;
$custom-dark: #000000;

JSON

{
  "hex": "#399fcd",
  "rgb": {
    "r": 57,
    "g": 159,
    "b": 205
  },
  "hsl": {
    "h": 198.649,
    "s": 59.677,
    "l": 51.373
  },
  "oklch": {
    "l": 0.66378,
    "c": 0.11425,
    "h": 231.9
  },
  "luminance": 0.30074
}

Semantic roles & 50–950 ramp

primary

#399FCD

secondary

#D2A590

accent

#7645E3

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #399FCD

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

Preview Lab → · Contrast checker → · Palette generator →