#399EBC#399EBC

#399EBC is a light, moderate cyan. Relative luminance 0.290; OKLCH L 65.4% C 0.101 H 221.4°. Best body text is #000000 at 6.79:1 contrast (WCAG AA passes).

Color values

HEX	#399EBC
RGB	rgb(57, 158, 188)
HSL	hsl(194, 53%, 48%)
HSV	hsv(194, 70%, 74%)
CMYK	cmyk(69.7%, 16%, 0%, 26.3%)
CIE-LAB	lab(60.74, -19.25, -23.97)
CIE-LCH	lch(60.74, 30.74, 231.23°)
OKLab	oklab(65.37% -0.0758 -0.0669)
OKLCH	oklch(65.37% 0.101 221.4)
XYZ	xyz(22.9876, 28.9518, 51.9440)
Luminance	0.2895 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#399EBC #BC5739

analogous

#39BC98 #399EBC #395DBC

triadic

#399EBC #BC399E #9EBC39

tetradic

#399EBC #9839BC #BC5739 #5DBC39

square

#399EBC #9839BC #BC5739 #5DBC39

split-complementary

#399EBC #BC395D #BC9839

monochromatic

#1D4F5E #2B778D #399EBC #63B7D0 #92CCDE

Accessibility & contrast

On white

3.09

#399EBC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.79

#399EBC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399EBC

6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##399EBC	#FFFFFF	#000000	##000000
##399EBC	1.00	3.09	6.79	6.79
#FFFFFF	3.09	1.00	21.00	21.00
#000000	6.79	21.00	1.00	1.00
##000000	6.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C9ABE

Deuteranopia (green-blind)

#7A8DBC

Tritanopia (blue-blind)

#00A8A8

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #399ebc;
/* rgb */ color: rgb(57, 158, 188);
/* oklch */ color: oklch(65.4% 0.101 221.4);

Tailwind

colors: {
  custom: {
    50: '#80bad0',
    500: '#399ebc',
    950: '#000000',
  },
}

SCSS

$custom: #399ebc;
$custom-light: #80bad0;
$custom-dark: #000000;

JSON

{
  "hex": "#399ebc",
  "rgb": {
    "r": 57,
    "g": 158,
    "b": 188
  },
  "hsl": {
    "h": 193.74,
    "s": 53.469,
    "l": 48.039
  },
  "oklch": {
    "l": 0.65373,
    "c": 0.10115,
    "h": 221.4
  },
  "luminance": 0.28954
}

Semantic roles & 50–950 ramp

primary

#399EBC

secondary

#C99788

accent

#6C4BDD

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0B1114

muted

#7C8082

Preview Lab

Preview with #399EBC

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

Preview Lab → · Contrast checker → · Palette generator →