#399CBA#399CBA

#399CBA is a light, moderate cyan. Relative luminance 0.282; OKLCH L 64.8% C 0.100 H 221.8°. Best body text is #000000 at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#399CBA
RGB	rgb(57, 156, 186)
HSL	hsl(194, 53%, 48%)
HSV	hsv(194, 69%, 73%)
CMYK	cmyk(69.4%, 16.1%, 0%, 27.1%)
CIE-LAB	lab(60.06, -18.84, -23.88)
CIE-LCH	lch(60.06, 30.42, 231.74°)
OKLab	oklab(64.8% -0.0746 -0.0667)
OKLCH	oklch(64.8% 0.1 221.8)
XYZ	xyz(22.4351, 28.1894, 50.7036)
Luminance	0.2819 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#399CBA #BA5739

analogous

#39BA97 #399CBA #395CBA

triadic

#399CBA #BA399C #9CBA39

tetradic

#399CBA #9739BA #BA5739 #5CBA39

square

#399CBA #9739BA #BA5739 #5CBA39

split-complementary

#399CBA #BA395C #BA9739

monochromatic

#1C4D5C #2B758B #399CBA #61B5CF #90CBDD

Accessibility & contrast

On white

3.16

#399CBA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.64

#399CBA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399CBA

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##399CBA	#FFFFFF	#000000	##000000
##399CBA	1.00	3.16	6.64	6.64
#FFFFFF	3.16	1.00	21.00	21.00
#000000	6.64	21.00	1.00	1.00
##000000	6.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A98BC

Deuteranopia (green-blind)

#788BBA

Tritanopia (blue-blind)

#00A5A6

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #399cba;
/* rgb */ color: rgb(57, 156, 186);
/* oklch */ color: oklch(64.8% 0.100 221.8);

Tailwind

colors: {
  custom: {
    50: '#80b9ce',
    500: '#399cba',
    950: '#000000',
  },
}

SCSS

$custom: #399cba;
$custom-light: #80b9ce;
$custom-dark: #000000;

JSON

{
  "hex": "#399cba",
  "rgb": {
    "r": 57,
    "g": 156,
    "b": 186
  },
  "hsl": {
    "h": 193.953,
    "s": 53.086,
    "l": 47.647
  },
  "oklch": {
    "l": 0.64803,
    "c": 0.10006,
    "h": 221.8
  },
  "luminance": 0.28192
}

Semantic roles & 50–950 ramp

primary

#399CBA

secondary

#C89687

accent

#6D4BDC

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #399CBA

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

Preview Lab → · Contrast checker → · Palette generator →