#39BBE3#39BBE3

#39BBE3 is a light, vivid cyan. Relative luminance 0.420; OKLCH L 74.0% C 0.123 H 223.2°. Best body text is #000000 at 9.39:1 contrast (WCAG AA passes).

Color values

HEX	#39BBE3
RGB	rgb(57, 187, 227)
HSL	hsl(194, 75%, 56%)
HSV	hsv(194, 75%, 89%)
CMYK	cmyk(74.9%, 17.6%, 0%, 11%)
CIE-LAB	lab(70.84, -21.76, -29.99)
CIE-LCH	lch(70.84, 37.06, 234.04°)
OKLab	oklab(73.96% -0.0895 -0.084)
OKLCH	oklch(73.96% 0.123 223.2)
XYZ	xyz(33.3170, 41.9526, 78.9999)
Luminance	0.4196 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#39BBE3 #E36139

analogous

#39E3B6 #39BBE3 #3966E3

triadic

#39BBE3 #E339BB #BBE339

tetradic

#39BBE3 #B639E3 #E36139 #66E339

square

#39BBE3 #B639E3 #E36139 #66E339

split-complementary

#39BBE3 #E33966 #E3B639

monochromatic

#14718E #1C9CC3 #39BBE3 #6FCDEB #A4E0F2

Accessibility & contrast

On white

2.24

#39BBE3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.39

#39BBE3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #39BBE3

9.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##39BBE3	#FFFFFF	#000000	##000000
##39BBE3	1.00	2.24	9.39	9.39
#FFFFFF	2.24	1.00	21.00	21.00
#000000	9.39	21.00	1.00	1.00
##000000	9.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A4B7E5

Deuteranopia (green-blind)

#8DA6E3

Tritanopia (blue-blind)

#00C7C8

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #39bbe3;
/* rgb */ color: rgb(57, 187, 227);
/* oklch */ color: oklch(74.0% 0.123 223.2);

Tailwind

colors: {
  custom: {
    50: '#87cfec',
    500: '#39bbe3',
    950: '#000000',
  },
}

SCSS

$custom: #39bbe3;
$custom-light: #87cfec;
$custom-dark: #000000;

JSON

{
  "hex": "#39bbe3",
  "rgb": {
    "r": 57,
    "g": 187,
    "b": 227
  },
  "hsl": {
    "h": 194.118,
    "s": 75.221,
    "l": 55.686
  },
  "oklch": {
    "l": 0.73964,
    "c": 0.12272,
    "h": 223.2
  },
  "luminance": 0.41957
}

Semantic roles & 50–950 ramp

primary

#39BBE3

secondary

#DFA999

accent

#6236F2

background

#F9FCFE

surface

#F1F9FD

border

#CBD2D5

text

#0D1416

muted

#7E8284

Preview Lab

Preview with #39BBE3

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

Preview Lab → · Contrast checker → · Palette generator →