#39A3BB#39A3BB

#39A3BB is a light, moderate cyan. Relative luminance 0.307; OKLCH L 66.5% C 0.100 H 215.9°. Best body text is #000000 at 7.13:1 contrast (WCAG AA passes).

Color values

HEX	#39A3BB
RGB	rgb(57, 163, 187)
HSL	hsl(191, 53%, 48%)
HSV	hsv(191, 70%, 73%)
CMYK	cmyk(69.5%, 12.8%, 0%, 26.7%)
CIE-LAB	lab(62.21, -22.18, -21.15)
CIE-LCH	lch(62.21, 30.65, 223.64°)
OKLab	oklab(66.54% -0.0813 -0.0589)
OKLCH	oklch(66.54% 0.1 215.9)
XYZ	xyz(23.7504, 30.6494, 51.6683)
Luminance	0.3065 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#39A3BB #BB5139

analogous

#39BB92 #39A3BB #3962BB

triadic

#39A3BB #BB39A3 #A3BB39

tetradic

#39A3BB #9239BB #BB5139 #62BB39

square

#39A3BB #9239BB #BB5139 #62BB39

split-complementary

#39A3BB #BB3962 #BB9239

monochromatic

#1C515D #2B7A8C #39A3BB #62BBCF #91CFDD

Accessibility & contrast

On white

2.95

#39A3BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.13

#39A3BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #39A3BB

7.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##39A3BB	#FFFFFF	#000000	##000000
##39A3BB	1.00	2.95	7.13	7.13
#FFFFFF	2.95	1.00	21.00	21.00
#000000	7.13	21.00	1.00	1.00
##000000	7.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#939EBC

Deuteranopia (green-blind)

#8091BB

Tritanopia (blue-blind)

#00ACAA

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #39a3bb;
/* rgb */ color: rgb(57, 163, 187);
/* oklch */ color: oklch(66.5% 0.100 215.9);

Tailwind

colors: {
  custom: {
    50: '#80becf',
    500: '#39a3bb',
    950: '#000000',
  },
}

SCSS

$custom: #39a3bb;
$custom-light: #80becf;
$custom-dark: #000000;

JSON

{
  "hex": "#39a3bb",
  "rgb": {
    "r": 57,
    "g": 163,
    "b": 187
  },
  "hsl": {
    "h": 191.077,
    "s": 53.279,
    "l": 47.843
  },
  "oklch": {
    "l": 0.66542,
    "c": 0.10044,
    "h": 215.9
  },
  "luminance": 0.30652
}

Semantic roles & 50–950 ramp

primary

#39A3BB

secondary

#C89387

accent

#664BDD

background

#F8FBFC

surface

#F0F7F9

border

#CBD0D2

text

#0C1213

muted

#7D8182

Preview Lab

Preview with #39A3BB

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

Preview Lab → · Contrast checker → · Palette generator →