#399AB9#399AB9

#399AB9 is a light, moderate cyan. Relative luminance 0.275; OKLCH L 64.3% C 0.100 H 223.0°. Best body text is #000000 at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#399AB9
RGB	rgb(57, 154, 185)
HSL	hsl(195, 53%, 47%)
HSV	hsv(195, 69%, 73%)
CMYK	cmyk(69.2%, 16.8%, 0%, 27.5%)
CIE-LAB	lab(59.42, -18.10, -24.31)
CIE-LCH	lch(59.42, 30.30, 233.33°)
OKLab	oklab(64.28% -0.0729 -0.0679)
OKLCH	oklch(64.28% 0.1 223)
XYZ	xyz(21.9963, 27.4814, 50.0347)
Luminance	0.2748 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#399AB9 #B95839

analogous

#39B998 #399AB9 #395AB9

triadic

#399AB9 #B9399A #9AB939

tetradic

#399AB9 #9839B9 #B95839 #5AB939

square

#399AB9 #9839B9 #B95839 #5AB939

split-complementary

#399AB9 #B9395A #B99839

monochromatic

#1C4C5B #2B738A #399AB9 #61B4CE #90CADD

Accessibility & contrast

On white

3.23

#399AB9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.50

#399AB9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399AB9

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##399AB9	#FFFFFF	#000000	##000000
##399AB9	1.00	3.23	6.50	6.50
#FFFFFF	3.23	1.00	21.00	21.00
#000000	6.50	21.00	1.00	1.00
##000000	6.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8896BB

Deuteranopia (green-blind)

#7689B9

Tritanopia (blue-blind)

#00A4A4

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #399ab9;
/* rgb */ color: rgb(57, 154, 185);
/* oklch */ color: oklch(64.3% 0.100 223.0);

Tailwind

colors: {
  custom: {
    50: '#7fb8ce',
    500: '#399ab9',
    950: '#000000',
  },
}

SCSS

$custom: #399ab9;
$custom-light: #7fb8ce;
$custom-dark: #000000;

JSON

{
  "hex": "#399ab9",
  "rgb": {
    "r": 57,
    "g": 154,
    "b": 185
  },
  "hsl": {
    "h": 194.531,
    "s": 52.893,
    "l": 47.451
  },
  "oklch": {
    "l": 0.64275,
    "c": 0.09964,
    "h": 223
  },
  "luminance": 0.27484
}

Semantic roles & 50–950 ramp

primary

#399AB9

secondary

#C89686

accent

#6F4BDC

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #399AB9

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

Preview Lab → · Contrast checker → · Palette generator →