#399CBE#399CBE

#399CBE is a light, moderate cyan. Relative luminance 0.284; OKLCH L 65.0% C 0.103 H 224.8°. Best body text is #000000 at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#399CBE
RGB	rgb(57, 156, 190)
HSL	hsl(195, 54%, 48%)
HSV	hsv(195, 70%, 75%)
CMYK	cmyk(70%, 17.9%, 0%, 25.5%)
CIE-LAB	lab(60.21, -17.54, -25.90)
CIE-LCH	lch(60.21, 31.28, 235.90°)
OKLab	oklab(64.98% -0.073 -0.0724)
OKLCH	oklch(64.98% 0.103 224.8)
XYZ	xyz(22.8663, 28.3619, 52.9745)
Luminance	0.2836 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#399CBE #BE5B39

analogous

#39BE9D #399CBE #395ABE

triadic

#399CBE #BE399C #9CBE39

tetradic

#399CBE #9D39BE #BE5B39 #5ABE39

square

#399CBE #9D39BE #BE5B39 #5ABE39

split-complementary

#399CBE #BE395A #BE9D39

monochromatic

#1D4F60 #2B758F #399CBE #64B5D0 #93CBDF

Accessibility & contrast

On white

3.15

#399CBE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.67

#399CBE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399CBE

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##399CBE	#FFFFFF	#000000	##000000
##399CBE	1.00	3.15	6.67	6.67
#FFFFFF	3.15	1.00	21.00	21.00
#000000	6.67	21.00	1.00	1.00
##000000	6.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8999C0

Deuteranopia (green-blind)

#778BBE

Tritanopia (blue-blind)

#00A6A7

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #399cbe;
/* rgb */ color: rgb(57, 156, 190);
/* oklch */ color: oklch(65.0% 0.103 224.8);

Tailwind

colors: {
  custom: {
    50: '#80b9d1',
    500: '#399cbe',
    950: '#000000',
  },
}

SCSS

$custom: #399cbe;
$custom-light: #80b9d1;
$custom-dark: #000000;

JSON

{
  "hex": "#399cbe",
  "rgb": {
    "r": 57,
    "g": 156,
    "b": 190
  },
  "hsl": {
    "h": 195.338,
    "s": 53.846,
    "l": 48.431
  },
  "oklch": {
    "l": 0.64978,
    "c": 0.10287,
    "h": 224.8
  },
  "luminance": 0.28364
}

Semantic roles & 50–950 ramp

primary

#399CBE

secondary

#CA9A89

accent

#704BDD

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0B1114

muted

#7C8082

Preview Lab

Preview with #399CBE

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

Preview Lab → · Contrast checker → · Palette generator →