#399ED1#399ED1

#399ED1 is a light, moderate cyan. Relative luminance 0.299; OKLCH L 66.3% C 0.118 H 234.9°. Best body text is #000000 at 6.99:1 contrast (WCAG AA passes).

Color values

HEX	#399ED1
RGB	rgb(57, 158, 209)
HSL	hsl(200, 62%, 52%)
HSV	hsv(200, 73%, 82%)
CMYK	cmyk(72.7%, 24.4%, 0%, 18%)
CIE-LAB	lab(61.59, -12.30, -34.41)
CIE-LCH	lch(61.59, 36.54, 250.33°)
OKLab	oklab(66.33% -0.0682 -0.0969)
OKLCH	oklch(66.33% 0.118 234.9)
XYZ	xyz(25.4183, 29.9241, 64.7455)
Luminance	0.2993 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#399ED1 #D16C39

analogous

#39D1B8 #399ED1 #3952D1

triadic

#399ED1 #D1399E #9ED139

tetradic

#399ED1 #B839D1 #D16C39 #52D139

square

#399ED1 #B839D1 #D16C39 #52D139

split-complementary

#399ED1 #D13952 #D1B839

monochromatic

#1B5775 #277BA6 #399ED1 #6BB6DD #9CCFE8

Accessibility & contrast

On white

3.01

#399ED1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.99

#399ED1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399ED1

6.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##399ED1	#FFFFFF	#000000	##000000
##399ED1	1.00	3.01	6.99	6.99
#FFFFFF	3.01	1.00	21.00	21.00
#000000	6.99	21.00	1.00	1.00
##000000	6.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#859DD3

Deuteranopia (green-blind)

#718ED0

Tritanopia (blue-blind)

#00ABAF

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #399ed1;
/* rgb */ color: rgb(57, 158, 209);
/* oklch */ color: oklch(66.3% 0.118 234.9);

Tailwind

colors: {
  custom: {
    50: '#83badf',
    500: '#399ed1',
    950: '#000000',
  },
}

SCSS

$custom: #399ed1;
$custom-light: #83badf;
$custom-dark: #000000;

JSON

{
  "hex": "#399ed1",
  "rgb": {
    "r": 57,
    "g": 158,
    "b": 209
  },
  "hsl": {
    "h": 200.132,
    "s": 62.295,
    "l": 52.157
  },
  "oklch": {
    "l": 0.66332,
    "c": 0.11848,
    "h": 234.9
  },
  "luminance": 0.29927
}

Semantic roles & 50–950 ramp

primary

#399ED1

secondary

#D4A892

accent

#7942E5

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #399ED1

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

Preview Lab → · Contrast checker → · Palette generator →