#399EBF#399EBF

#399EBF is a light, moderate cyan. Relative luminance 0.291; OKLCH L 65.5% C 0.103 H 223.6°. Best body text is #000000 at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#399EBF
RGB	rgb(57, 158, 191)
HSL	hsl(195, 54%, 49%)
HSV	hsv(195, 70%, 75%)
CMYK	cmyk(70.2%, 17.3%, 0%, 25.1%)
CIE-LAB	lab(60.85, -18.28, -25.47)
CIE-LCH	lch(60.85, 31.35, 234.34°)
OKLab	oklab(65.5% -0.0747 -0.0712)
OKLCH	oklch(65.5% 0.103 223.6)
XYZ	xyz(23.3143, 29.0825, 53.6649)
Luminance	0.2908 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#399EBF #BF5A39

analogous

#39BF9D #399EBF #395BBF

triadic

#399EBF #BF399E #9EBF39

tetradic

#399EBF #9D39BF #BF5A39 #5BBF39

square

#399EBF #9D39BF #BF5A39 #5BBF39

split-complementary

#399EBF #BF395B #BF9D39

monochromatic

#1D5061 #2B7790 #399EBF #64B6D1 #93CCDF

Accessibility & contrast

On white

3.08

#399EBF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.82

#399EBF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399EBF

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##399EBF	#FFFFFF	#000000	##000000
##399EBF	1.00	3.08	6.82	6.82
#FFFFFF	3.08	1.00	21.00	21.00
#000000	6.82	21.00	1.00	1.00
##000000	6.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B9AC1

Deuteranopia (green-blind)

#798DBF

Tritanopia (blue-blind)

#00A8A9

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #399ebf;
/* rgb */ color: rgb(57, 158, 191);
/* oklch */ color: oklch(65.5% 0.103 223.6);

Tailwind

colors: {
  custom: {
    50: '#80bad2',
    500: '#399ebf',
    950: '#000000',
  },
}

SCSS

$custom: #399ebf;
$custom-light: #80bad2;
$custom-dark: #000000;

JSON

{
  "hex": "#399ebf",
  "rgb": {
    "r": 57,
    "g": 158,
    "b": 191
  },
  "hsl": {
    "h": 194.776,
    "s": 54.032,
    "l": 48.627
  },
  "oklch": {
    "l": 0.65503,
    "c": 0.1032,
    "h": 223.6
  },
  "luminance": 0.29085
}

Semantic roles & 50–950 ramp

primary

#399EBF

secondary

#CA9A8A

accent

#6F4ADD

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1114

muted

#7D8082

Preview Lab

Preview with #399EBF

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

Preview Lab → · Contrast checker → · Palette generator →