#399EC6#399EC6

#399EC6 is a light, moderate cyan. Relative luminance 0.294; OKLCH L 65.8% C 0.109 H 228.4°. Best body text is #000000 at 6.88:1 contrast (WCAG AA passes).

Color values

HEX	#399EC6
RGB	rgb(57, 158, 198)
HSL	hsl(197, 55%, 50%)
HSV	hsv(197, 71%, 78%)
CMYK	cmyk(71.2%, 20.2%, 0%, 22.4%)
CIE-LAB	lab(61.13, -15.98, -28.97)
CIE-LCH	lch(61.13, 33.09, 241.12°)
OKLab	oklab(65.82% -0.0721 -0.0812)
OKLCH	oklch(65.82% 0.109 228.4)
XYZ	xyz(24.1031, 29.3980, 57.8192)
Luminance	0.2940 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#399EC6 #C66139

analogous

#39C6A7 #399EC6 #3958C6

triadic

#399EC6 #C6399E #9EC639

tetradic

#399EC6 #A739C6 #C66139 #58C639

square

#399EC6 #A739C6 #C66139 #58C639

split-complementary

#399EC6 #C63958 #C6A739

monochromatic

#1E5267 #2B7896 #399EC6 #69B5D4 #98CDE1

Accessibility & contrast

On white

3.05

#399EC6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.88

#399EC6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399EC6

6.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##399EC6	#FFFFFF	#000000	##000000
##399EC6	1.00	3.05	6.88	6.88
#FFFFFF	3.05	1.00	21.00	21.00
#000000	6.88	21.00	1.00	1.00
##000000	6.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#899BC8

Deuteranopia (green-blind)

#768DC5

Tritanopia (blue-blind)

#00A9AB

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #399ec6;
/* rgb */ color: rgb(57, 158, 198);
/* oklch */ color: oklch(65.8% 0.109 228.4);

Tailwind

colors: {
  custom: {
    50: '#81bad7',
    500: '#399ec6',
    950: '#000000',
  },
}

SCSS

$custom: #399ec6;
$custom-light: #81bad7;
$custom-dark: #000000;

JSON

{
  "hex": "#399ec6",
  "rgb": {
    "r": 57,
    "g": 158,
    "b": 198
  },
  "hsl": {
    "h": 197.021,
    "s": 55.294,
    "l": 50
  },
  "oklch": {
    "l": 0.65817,
    "c": 0.1086,
    "h": 228.4
  },
  "luminance": 0.29401
}

Semantic roles & 50–950 ramp

primary

#399EC6

secondary

#CDA08E

accent

#7449DF

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1114

muted

#7D8083

Preview Lab

Preview with #399EC6

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

Preview Lab → · Contrast checker → · Palette generator →