#39B1FF#39B1FF

#39B1FF is a light, vivid cyan. Relative luminance 0.395; OKLCH L 73.0% C 0.153 H 242.4°. Best body text is #000000 at 8.91:1 contrast (WCAG AA passes).

Color values

HEX	#39B1FF
RGB	rgb(57, 177, 255)
HSL	hsl(204, 100%, 61%)
HSV	hsv(204, 78%, 100%)
CMYK	cmyk(77.6%, 30.6%, 0%, 0%)
CIE-LAB	lab(69.13, -7.03, -47.85)
CIE-LCH	lch(69.13, 48.37, 261.64°)
OKLab	oklab(72.99% -0.0711 -0.1357)
OKLCH	oklch(72.99% 0.153 242.4)
XYZ	xyz(35.4524, 39.5298, 100.3499)
Luminance	0.3953 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#39B1FF #FF8739

analogous

#39FFEA #39B1FF #394EFF

triadic

#39B1FF #FF39B1 #B1FF39

tetradic

#39B1FF #EA39FF #FF8739 #4EFF39

square

#39B1FF #EA39FF #FF8739 #4EFF39

split-complementary

#39B1FF #FF394E #FFEA39

monochromatic

#0073BE #0098FB #39B1FF #76C9FF #B3E1FF

Accessibility & contrast

On white

2.36

#39B1FF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.91

#39B1FF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #39B1FF

8.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##39B1FF	#FFFFFF	#000000	##000000
##39B1FF	1.00	2.36	8.91	8.91
#FFFFFF	2.36	1.00	21.00	21.00
#000000	8.91	21.00	1.00	1.00
##000000	8.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8CB3FF

Deuteranopia (green-blind)

#71A1FE

Tritanopia (blue-blind)

#00C4CD

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #39b1ff;
/* rgb */ color: rgb(57, 177, 255);
/* oklch */ color: oklch(73.0% 0.153 242.4);

Tailwind

colors: {
  custom: {
    50: '#8bc8ff',
    500: '#39b1ff',
    950: '#000000',
  },
}

SCSS

$custom: #39b1ff;
$custom-light: #8bc8ff;
$custom-dark: #000000;

JSON

{
  "hex": "#39b1ff",
  "rgb": {
    "r": 57,
    "g": 177,
    "b": 255
  },
  "hsl": {
    "h": 203.636,
    "s": 100,
    "l": 61.176
  },
  "oklch": {
    "l": 0.72994,
    "c": 0.15319,
    "h": 242.4
  },
  "luminance": 0.39534
}

Semantic roles & 50–950 ramp

primary

#39B1FF

secondary

#EFC2A5

accent

#5A00E6

background

#F9FCFF

surface

#F2F8FF

border

#CCD1D7

text

#0E1318

muted

#7E8286

Preview Lab

Preview with #39B1FF

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

Preview Lab → · Contrast checker → · Palette generator →