#399EC0#399EC0

#399EC0 is a light, moderate cyan. Relative luminance 0.291; OKLCH L 65.5% C 0.104 H 224.4°. Best body text is #000000 at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#399EC0
RGB	rgb(57, 158, 192)
HSL	hsl(195, 54%, 49%)
HSV	hsv(195, 70%, 75%)
CMYK	cmyk(70.3%, 17.7%, 0%, 24.7%)
CIE-LAB	lab(60.89, -17.95, -25.98)
CIE-LCH	lch(60.89, 31.58, 235.35°)
OKLab	oklab(65.55% -0.0743 -0.0727)
OKLCH	oklch(65.55% 0.104 224.4)
XYZ	xyz(23.4247, 29.1267, 54.2464)
Luminance	0.2913 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#399EC0 #C05B39

analogous

#39C09F #399EC0 #395BC0

triadic

#399EC0 #C0399E #9EC039

tetradic

#399EC0 #9F39C0 #C05B39 #5BC039

square

#399EC0 #9F39C0 #C05B39 #5BC039

split-complementary

#399EC0 #C0395B #C09F39

monochromatic

#1D5062 #2B7791 #399EC0 #65B6D1 #94CCDF

Accessibility & contrast

On white

3.08

#399EC0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.83

#399EC0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399EC0

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##399EC0	#FFFFFF	#000000	##000000
##399EC0	1.00	3.08	6.83	6.83
#FFFFFF	3.08	1.00	21.00	21.00
#000000	6.83	21.00	1.00	1.00
##000000	6.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B9BC2

Deuteranopia (green-blind)

#788DC0

Tritanopia (blue-blind)

#00A8A9

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #399ec0;
/* rgb */ color: rgb(57, 158, 192);
/* oklch */ color: oklch(65.5% 0.104 224.4);

Tailwind

colors: {
  custom: {
    50: '#81bad3',
    500: '#399ec0',
    950: '#000000',
  },
}

SCSS

$custom: #399ec0;
$custom-light: #81bad3;
$custom-dark: #000000;

JSON

{
  "hex": "#399ec0",
  "rgb": {
    "r": 57,
    "g": 158,
    "b": 192
  },
  "hsl": {
    "h": 195.111,
    "s": 54.217,
    "l": 48.824
  },
  "oklch": {
    "l": 0.65547,
    "c": 0.10393,
    "h": 224.4
  },
  "luminance": 0.29129
}

Semantic roles & 50–950 ramp

primary

#399EC0

secondary

#CB9A8A

accent

#6F4ADE

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1114

muted

#7D8082

Preview Lab

Preview with #399EC0

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

Preview Lab → · Contrast checker → · Palette generator →