#399FD1#399FD1

#399FD1 is a light, moderate cyan. Relative luminance 0.303; OKLCH L 66.6% C 0.118 H 234.1°. Best body text is #000000 at 7.05:1 contrast (WCAG AA passes).

Color values

HEX	#399FD1
RGB	rgb(57, 159, 209)
HSL	hsl(200, 62%, 52%)
HSV	hsv(200, 73%, 82%)
CMYK	cmyk(72.7%, 23.9%, 0%, 18%)
CIE-LAB	lab(61.88, -12.85, -33.95)
CIE-LCH	lch(61.88, 36.30, 249.27°)
OKLab	oklab(66.57% -0.0692 -0.0955)
OKLCH	oklch(66.57% 0.118 234.1)
XYZ	xyz(25.5895, 30.2666, 64.8026)
Luminance	0.3027 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#399FD1 #D16B39

analogous

#39D1B7 #399FD1 #3953D1

triadic

#399FD1 #D1399F #9FD139

tetradic

#399FD1 #B739D1 #D16B39 #53D139

square

#399FD1 #B739D1 #D16B39 #53D139

split-complementary

#399FD1 #D13953 #D1B739

monochromatic

#1B5775 #277CA6 #399FD1 #6BB7DD #9CCFE8

Accessibility & contrast

On white

2.98

#399FD1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.05

#399FD1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #399FD1

7.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##399FD1	#FFFFFF	#000000	##000000
##399FD1	1.00	2.98	7.05	7.05
#FFFFFF	2.98	1.00	21.00	21.00
#000000	7.05	21.00	1.00	1.00
##000000	7.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#879ED3

Deuteranopia (green-blind)

#728FD0

Tritanopia (blue-blind)

#00ACB0

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #399fd1;
/* rgb */ color: rgb(57, 159, 209);
/* oklch */ color: oklch(66.6% 0.118 234.1);

Tailwind

colors: {
  custom: {
    50: '#83bbdf',
    500: '#399fd1',
    950: '#000000',
  },
}

SCSS

$custom: #399fd1;
$custom-light: #83bbdf;
$custom-dark: #000000;

JSON

{
  "hex": "#399fd1",
  "rgb": {
    "r": 57,
    "g": 159,
    "b": 209
  },
  "hsl": {
    "h": 199.737,
    "s": 62.295,
    "l": 52.157
  },
  "oklch": {
    "l": 0.66567,
    "c": 0.11795,
    "h": 234.1
  },
  "luminance": 0.3027
}

Semantic roles & 50–950 ramp

primary

#399FD1

secondary

#D4A892

accent

#7842E5

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #399FD1

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

Preview Lab → · Contrast checker → · Palette generator →