#39B1CB#39B1CB

#39B1CB is a light, moderate cyan. Relative luminance 0.366; OKLCH L 70.6% C 0.109 H 215.5°. Best body text is #000000 at 8.33:1 contrast (WCAG AA passes).

Color values

HEX	#39B1CB
RGB	rgb(57, 177, 203)
HSL	hsl(191, 58%, 51%)
HSV	hsv(191, 72%, 80%)
CMYK	cmyk(71.9%, 12.8%, 0%, 20.4%)
CIE-LAB	lab(66.99, -24.31, -22.74)
CIE-LCH	lch(66.99, 33.29, 223.10°)
OKLab	oklab(70.58% -0.089 -0.0634)
OKLCH	oklch(70.58% 0.109 215.5)
XYZ	xyz(28.1844, 36.6226, 62.0718)
Luminance	0.3663 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#39B1CB #CB5339

analogous

#39CB9C #39B1CB #3968CB

triadic

#39B1CB #CB39B1 #B1CB39

tetradic

#39B1CB #9C39CB #CB5339 #68CB39

square

#39B1CB #9C39CB #CB5339 #68CB39

split-complementary

#39B1CB #CB3968 #CB9C39

monochromatic

#1D5F6D #29899D #39B1CB #69C4D8 #9AD7E4

Accessibility & contrast

On white

2.52

#39B1CB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.33

#39B1CB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #39B1CB

8.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##39B1CB	#FFFFFF	#000000	##000000
##39B1CB	1.00	2.52	8.33	8.33
#FFFFFF	2.52	1.00	21.00	21.00
#000000	8.33	21.00	1.00	1.00
##000000	8.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9FABCC

Deuteranopia (green-blind)

#8B9DCB

Tritanopia (blue-blind)

#00BBB9

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #39b1cb;
/* rgb */ color: rgb(57, 177, 203);
/* oklch */ color: oklch(70.6% 0.109 215.5);

Tailwind

colors: {
  custom: {
    50: '#83c8da',
    500: '#39b1cb',
    950: '#000000',
  },
}

SCSS

$custom: #39b1cb;
$custom-light: #83c8da;
$custom-dark: #000000;

JSON

{
  "hex": "#39b1cb",
  "rgb": {
    "r": 57,
    "g": 177,
    "b": 203
  },
  "hsl": {
    "h": 190.685,
    "s": 58.4,
    "l": 50.98
  },
  "oklch": {
    "l": 0.70581,
    "c": 0.10928,
    "h": 215.5
  },
  "luminance": 0.36626
}

Semantic roles & 50–950 ramp

primary

#39B1CB

secondary

#D09B90

accent

#6246E2

background

#F8FCFD

surface

#F0F8FA

border

#CBD1D3

text

#0C1315

muted

#7D8283

Preview Lab

Preview with #39B1CB

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

Preview Lab → · Contrast checker → · Palette generator →