#399BC2#399BC2

#399BC2 is a light, moderate cyan. Relative luminance 0.282; OKLCH L 64.9% C 0.106 H 228.4°. Best body text is #000000 at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#399BC2
RGB	rgb(57, 155, 194)
HSL	hsl(197, 55%, 49%)
HSV	hsv(197, 71%, 76%)
CMYK	cmyk(70.6%, 20.1%, 0%, 23.9%)
CIE-LAB	lab(60.07, -15.68, -28.36)
CIE-LCH	lch(60.07, 32.41, 241.06°)
OKLab	oklab(64.92% -0.0705 -0.0795)
OKLCH	oklch(64.92% 0.106 228.4)
XYZ	xyz(23.1424, 28.2050, 55.2529)
Luminance	0.2821 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#399BC2 #C26039

analogous

#39C2A5 #399BC2 #3957C2

triadic

#399BC2 #C2399B #9BC239

tetradic

#399BC2 #A539C2 #C26039 #57C239

square

#399BC2 #A539C2 #C26039 #57C239

split-complementary

#399BC2 #C23957 #C2A539

monochromatic

#1D4F63 #2B7593 #399BC2 #66B3D2 #95CBE0

Accessibility & contrast

On white

3.16

#399BC2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.64

#399BC2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399BC2

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##399BC2	#FFFFFF	#000000	##000000
##399BC2	1.00	3.16	6.64	6.64
#FFFFFF	3.16	1.00	21.00	21.00
#000000	6.64	21.00	1.00	1.00
##000000	6.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8798C4

Deuteranopia (green-blind)

#748BC1

Tritanopia (blue-blind)

#00A6A8

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #399bc2;
/* rgb */ color: rgb(57, 155, 194);
/* oklch */ color: oklch(64.9% 0.106 228.4);

Tailwind

colors: {
  custom: {
    50: '#81b8d4',
    500: '#399bc2',
    950: '#000000',
  },
}

SCSS

$custom: #399bc2;
$custom-light: #81b8d4;
$custom-dark: #000000;

JSON

{
  "hex": "#399bc2",
  "rgb": {
    "r": 57,
    "g": 155,
    "b": 194
  },
  "hsl": {
    "h": 197.08,
    "s": 54.582,
    "l": 49.216
  },
  "oklch": {
    "l": 0.64918,
    "c": 0.10628,
    "h": 228.4
  },
  "luminance": 0.28208
}

Semantic roles & 50–950 ramp

primary

#399BC2

secondary

#CB9E8B

accent

#744ADE

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1114

muted

#7D8083

Preview Lab

Preview with #399BC2

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

Preview Lab → · Contrast checker → · Palette generator →