#399DD2#399DD2

#399DD2 is a light, vivid cyan. Relative luminance 0.296; OKLCH L 66.1% C 0.120 H 236.1°. Best body text is #000000 at 6.93:1 contrast (WCAG AA passes).

Color values

HEX	#399DD2
RGB	rgb(57, 157, 210)
HSL	hsl(201, 63%, 52%)
HSV	hsv(201, 73%, 82%)
CMYK	cmyk(72.9%, 25.2%, 0%, 17.6%)
CIE-LAB	lab(61.34, -11.41, -35.36)
CIE-LCH	lch(61.34, 37.15, 252.12°)
OKLab	oklab(66.15% -0.0669 -0.0996)
OKLCH	oklch(66.15% 0.12 236.1)
XYZ	xyz(25.3726, 29.6340, 65.3430)
Luminance	0.2964 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#399DD2 #D26E39

analogous

#39D2BA #399DD2 #3951D2

triadic

#399DD2 #D2399D #9DD239

tetradic

#399DD2 #BA39D2 #D26E39 #51D239

square

#399DD2 #BA39D2 #D26E39 #51D239

split-complementary

#399DD2 #D23951 #D2BA39

monochromatic

#1B5676 #267BA8 #399DD2 #6BB6DD #9DCEE9

Accessibility & contrast

On white

3.03

#399DD2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.93

#399DD2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399DD2

6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##399DD2	#FFFFFF	#000000	##000000
##399DD2	1.00	3.03	6.93	6.93
#FFFFFF	3.03	1.00	21.00	21.00
#000000	6.93	21.00	1.00	1.00
##000000	6.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#849CD4

Deuteranopia (green-blind)

#6F8ED1

Tritanopia (blue-blind)

#00ABAF

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #399dd2;
/* rgb */ color: rgb(57, 157, 210);
/* oklch */ color: oklch(66.1% 0.120 236.1);

Tailwind

colors: {
  custom: {
    50: '#83b9e0',
    500: '#399dd2',
    950: '#000000',
  },
}

SCSS

$custom: #399dd2;
$custom-light: #83b9e0;
$custom-dark: #000000;

JSON

{
  "hex": "#399dd2",
  "rgb": {
    "r": 57,
    "g": 157,
    "b": 210
  },
  "hsl": {
    "h": 200.784,
    "s": 62.963,
    "l": 52.353
  },
  "oklch": {
    "l": 0.66146,
    "c": 0.12001,
    "h": 236.1
  },
  "luminance": 0.29637
}

Semantic roles & 50–950 ramp

primary

#399DD2

secondary

#D5A992

accent

#7B42E6

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #399DD2

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

Preview Lab → · Contrast checker → · Palette generator →