#39B8E7#39B8E7

#39B8E7 is a light, vivid cyan. Relative luminance 0.409; OKLCH L 73.4% C 0.126 H 227.6°. Best body text is #000000 at 9.18:1 contrast (WCAG AA passes).

Color values

HEX	#39B8E7
RGB	rgb(57, 184, 231)
HSL	hsl(196, 78%, 56%)
HSV	hsv(196, 75%, 91%)
CMYK	cmyk(75.3%, 20.3%, 0%, 9.4%)
CIE-LAB	lab(70.12, -18.90, -33.29)
CIE-LCH	lch(70.12, 38.28, 240.41°)
OKLab	oklab(73.44% -0.0852 -0.0934)
OKLCH	oklch(73.44% 0.126 227.6)
XYZ	xyz(33.2457, 40.9164, 81.7313)
Luminance	0.4092 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#39B8E7 #E76839

analogous

#39E7BF #39B8E7 #3961E7

triadic

#39B8E7 #E739B8 #B8E739

tetradic

#39B8E7 #BF39E7 #E76839 #61E739

square

#39B8E7 #BF39E7 #E76839 #61E739

split-complementary

#39B8E7 #E73961 #E7BF39

monochromatic

#127194 #199ACA #39B8E7 #70CCEE #A6DFF4

Accessibility & contrast

On white

2.29

#39B8E7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.18

#39B8E7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #39B8E7

9.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##39B8E7	#FFFFFF	#000000	##000000
##39B8E7	1.00	2.29	9.18	9.18
#FFFFFF	2.29	1.00	21.00	21.00
#000000	9.18	21.00	1.00	1.00
##000000	9.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9FB5E9

Deuteranopia (green-blind)

#88A4E6

Tritanopia (blue-blind)

#00C5C8

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #39b8e7;
/* rgb */ color: rgb(57, 184, 231);
/* oklch */ color: oklch(73.4% 0.126 227.6);

Tailwind

colors: {
  custom: {
    50: '#88cdee',
    500: '#39b8e7',
    950: '#000000',
  },
}

SCSS

$custom: #39b8e7;
$custom-light: #88cdee;
$custom-dark: #000000;

JSON

{
  "hex": "#39b8e7",
  "rgb": {
    "r": 57,
    "g": 184,
    "b": 231
  },
  "hsl": {
    "h": 196.207,
    "s": 78.378,
    "l": 56.471
  },
  "oklch": {
    "l": 0.73438,
    "c": 0.12646,
    "h": 227.6
  },
  "luminance": 0.4092
}

Semantic roles & 50–950 ramp

primary

#39B8E7

secondary

#E2AD9A

accent

#6733F5

background

#F9FCFE

surface

#F1F9FD

border

#CBD2D5

text

#0D1316

muted

#7E8284

Preview Lab

Preview with #39B8E7

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

Preview Lab → · Contrast checker → · Palette generator →