#399AB7#399AB7

#399AB7 is a light, moderate cyan. Relative luminance 0.274; OKLCH L 64.2% C 0.098 H 221.4°. Best body text is #000000 at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#399AB7
RGB	rgb(57, 154, 183)
HSL	hsl(194, 53%, 47%)
HSV	hsv(194, 69%, 72%)
CMYK	cmyk(68.9%, 15.8%, 0%, 28.2%)
CIE-LAB	lab(59.34, -18.74, -23.29)
CIE-LCH	lch(59.34, 29.90, 231.18°)
OKLab	oklab(64.19% -0.0737 -0.065)
OKLCH	oklch(64.19% 0.098 221.4)
XYZ	xyz(21.7867, 27.3975, 48.9306)
Luminance	0.2740 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#399AB7 #B75639

analogous

#39B795 #399AB7 #395BB7

triadic

#399AB7 #B7399A #9AB739

tetradic

#399AB7 #9539B7 #B75639 #5BB739

square

#399AB7 #9539B7 #B75639 #5BB739

split-complementary

#399AB7 #B7395B #B79539

monochromatic

#1C4B5A #2A7388 #399AB7 #60B4CD #8ECADC

Accessibility & contrast

On white

3.24

#399AB7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.48

#399AB7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399AB7

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##399AB7	#FFFFFF	#000000	##000000
##399AB7	1.00	3.24	6.48	6.48
#FFFFFF	3.24	1.00	21.00	21.00
#000000	6.48	21.00	1.00	1.00
##000000	6.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8996B9

Deuteranopia (green-blind)

#7789B7

Tritanopia (blue-blind)

#00A3A3

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #399ab7;
/* rgb */ color: rgb(57, 154, 183);
/* oklch */ color: oklch(64.2% 0.098 221.4);

Tailwind

colors: {
  custom: {
    50: '#7fb8cc',
    500: '#399ab7',
    950: '#000000',
  },
}

SCSS

$custom: #399ab7;
$custom-light: #7fb8cc;
$custom-dark: #000000;

JSON

{
  "hex": "#399ab7",
  "rgb": {
    "r": 57,
    "g": 154,
    "b": 183
  },
  "hsl": {
    "h": 193.81,
    "s": 52.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.64188,
    "c": 0.09828,
    "h": 221.4
  },
  "luminance": 0.274
}

Semantic roles & 50–950 ramp

primary

#399AB7

secondary

#C79485

accent

#6D4CDC

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #399AB7

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

Preview Lab → · Contrast checker → · Palette generator →