#399EC5#399EC5

#399EC5 is a light, moderate cyan. Relative luminance 0.294; OKLCH L 65.8% C 0.108 H 227.8°. Best body text is #000000 at 6.87:1 contrast (WCAG AA passes).

Color values

HEX	#399EC5
RGB	rgb(57, 158, 197)
HSL	hsl(197, 55%, 50%)
HSV	hsv(197, 71%, 77%)
CMYK	cmyk(71.1%, 19.8%, 0%, 22.7%)
CIE-LAB	lab(61.09, -16.31, -28.47)
CIE-LCH	lch(61.09, 32.82, 240.19°)
OKLab	oklab(65.77% -0.0724 -0.0798)
OKLCH	oklch(65.77% 0.108 227.8)
XYZ	xyz(23.9882, 29.3521, 57.2138)
Luminance	0.2935 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#399EC5 #C56039

analogous

#39C5A6 #399EC5 #3958C5

triadic

#399EC5 #C5399E #9EC539

tetradic

#399EC5 #A639C5 #C56039 #58C539

square

#399EC5 #A639C5 #C56039 #58C539

split-complementary

#399EC5 #C53958 #C5A639

monochromatic

#1E5266 #2B7896 #399EC5 #68B5D3 #97CDE1

Accessibility & contrast

On white

3.06

#399EC5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.87

#399EC5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399EC5

6.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##399EC5	#FFFFFF	#000000	##000000
##399EC5	1.00	3.06	6.87	6.87
#FFFFFF	3.06	1.00	21.00	21.00
#000000	6.87	21.00	1.00	1.00
##000000	6.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#899BC7

Deuteranopia (green-blind)

#768DC4

Tritanopia (blue-blind)

#00A9AB

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #399ec5;
/* rgb */ color: rgb(57, 158, 197);
/* oklch */ color: oklch(65.8% 0.108 227.8);

Tailwind

colors: {
  custom: {
    50: '#81bad6',
    500: '#399ec5',
    950: '#000000',
  },
}

SCSS

$custom: #399ec5;
$custom-light: #81bad6;
$custom-dark: #000000;

JSON

{
  "hex": "#399ec5",
  "rgb": {
    "r": 57,
    "g": 158,
    "b": 197
  },
  "hsl": {
    "h": 196.714,
    "s": 55.118,
    "l": 49.804
  },
  "oklch": {
    "l": 0.65771,
    "c": 0.10778,
    "h": 227.8
  },
  "luminance": 0.29355
}

Semantic roles & 50–950 ramp

primary

#399EC5

secondary

#CD9F8D

accent

#7349DE

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1114

muted

#7D8083

Preview Lab

Preview with #399EC5

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

Preview Lab → · Contrast checker → · Palette generator →