#399CBF#399CBF

#399CBF is a light, moderate cyan. Relative luminance 0.284; OKLCH L 65.0% C 0.104 H 225.5°. Best body text is #000000 at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#399CBF
RGB	rgb(57, 156, 191)
HSL	hsl(196, 54%, 49%)
HSV	hsv(196, 70%, 75%)
CMYK	cmyk(70.2%, 18.3%, 0%, 25.1%)
CIE-LAB	lab(60.25, -17.21, -26.40)
CIE-LCH	lch(60.25, 31.51, 236.90°)
OKLab	oklab(65.02% -0.0727 -0.0739)
OKLCH	oklch(65.02% 0.104 225.5)
XYZ	xyz(22.9760, 28.4058, 53.5521)
Luminance	0.2841 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#399CBF #BF5C39

analogous

#39BF9F #399CBF #3959BF

triadic

#399CBF #BF399C #9CBF39

tetradic

#399CBF #9F39BF #BF5C39 #59BF39

square

#399CBF #9F39BF #BF5C39 #59BF39

split-complementary

#399CBF #BF3959 #BF9F39

monochromatic

#1D4F61 #2B7690 #399CBF #64B5D1 #93CBDF

Accessibility & contrast

On white

3.14

#399CBF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.68

#399CBF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399CBF

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##399CBF	#FFFFFF	#000000	##000000
##399CBF	1.00	3.14	6.68	6.68
#FFFFFF	3.14	1.00	21.00	21.00
#000000	6.68	21.00	1.00	1.00
##000000	6.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8999C1

Deuteranopia (green-blind)

#768BBF

Tritanopia (blue-blind)

#00A6A7

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #399cbf;
/* rgb */ color: rgb(57, 156, 191);
/* oklch */ color: oklch(65.0% 0.104 225.5);

Tailwind

colors: {
  custom: {
    50: '#80b9d2',
    500: '#399cbf',
    950: '#000000',
  },
}

SCSS

$custom: #399cbf;
$custom-light: #80b9d2;
$custom-dark: #000000;

JSON

{
  "hex": "#399cbf",
  "rgb": {
    "r": 57,
    "g": 156,
    "b": 191
  },
  "hsl": {
    "h": 195.672,
    "s": 54.032,
    "l": 48.627
  },
  "oklch": {
    "l": 0.65022,
    "c": 0.10362,
    "h": 225.5
  },
  "luminance": 0.28408
}

Semantic roles & 50–950 ramp

primary

#399CBF

secondary

#CA9B8A

accent

#714ADD

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1114

muted

#7D8082

Preview Lab

Preview with #399CBF

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

Preview Lab → · Contrast checker → · Palette generator →