#39B3CF#39B3CF

#39B3CF is a light, moderate cyan. Relative luminance 0.376; OKLCH L 71.2% C 0.111 H 216.6°. Best body text is #000000 at 8.52:1 contrast (WCAG AA passes).

Color values

HEX	#39B3CF
RGB	rgb(57, 179, 207)
HSL	hsl(191, 61%, 52%)
HSV	hsv(191, 72%, 81%)
CMYK	cmyk(72.5%, 13.5%, 0%, 18.8%)
CIE-LAB	lab(67.73, -24.06, -23.82)
CIE-LCH	lch(67.73, 33.85, 224.71°)
OKLab	oklab(71.22% -0.0894 -0.0664)
OKLCH	oklch(71.22% 0.111 216.6)
XYZ	xyz(29.0652, 37.6116, 64.7473)
Luminance	0.3761 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#39B3CF #CF5539

analogous

#39CFA0 #39B3CF #3968CF

triadic

#39B3CF #CF39B3 #B3CF39

tetradic

#39B3CF #A039CF #CF5539 #68CF39

square

#39B3CF #A039CF #CF5539 #68CF39

split-complementary

#39B3CF #CF3968 #CFA039

monochromatic

#1C6272 #288CA3 #39B3CF #6AC6DB #9CD9E7

Accessibility & contrast

On white

2.46

#39B3CF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.52

#39B3CF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #39B3CF

8.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##39B3CF	#FFFFFF	#000000	##000000
##39B3CF	1.00	2.46	8.52	8.52
#FFFFFF	2.46	1.00	21.00	21.00
#000000	8.52	21.00	1.00	1.00
##000000	8.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A0AED1

Deuteranopia (green-blind)

#8C9ECF

Tritanopia (blue-blind)

#00BDBC

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #39b3cf;
/* rgb */ color: rgb(57, 179, 207);
/* oklch */ color: oklch(71.2% 0.111 216.6);

Tailwind

colors: {
  custom: {
    50: '#84cadd',
    500: '#39b3cf',
    950: '#000000',
  },
}

SCSS

$custom: #39b3cf;
$custom-light: #84cadd;
$custom-dark: #000000;

JSON

{
  "hex": "#39b3cf",
  "rgb": {
    "r": 57,
    "g": 179,
    "b": 207
  },
  "hsl": {
    "h": 191.2,
    "s": 60.976,
    "l": 51.765
  },
  "oklch": {
    "l": 0.71224,
    "c": 0.11139,
    "h": 216.6
  },
  "luminance": 0.37615
}

Semantic roles & 50–950 ramp

primary

#39B3CF

secondary

#D39D91

accent

#6244E4

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0C1315

muted

#7D8283

Preview Lab

Preview with #39B3CF

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

Preview Lab → · Contrast checker → · Palette generator →