#39B8DA#39B8DA

#39B8DA is a light, moderate cyan. Relative luminance 0.402; OKLCH L 72.9% C 0.117 H 219.9°. Best body text is #000000 at 9.04:1 contrast (WCAG AA passes).

Color values

HEX	#39B8DA
RGB	rgb(57, 184, 218)
HSL	hsl(193, 69%, 54%)
HSV	hsv(193, 74%, 85%)
CMYK	cmyk(73.9%, 15.6%, 0%, 14.5%)
CIE-LAB	lab(69.62, -23.11, -26.96)
CIE-LCH	lch(69.62, 35.51, 229.40°)
OKLab	oklab(72.87% -0.09 -0.0754)
OKLCH	oklch(72.87% 0.117 219.9)
XYZ	xyz(31.4774, 40.2090, 72.4182)
Luminance	0.4021 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#39B8DA #DA5B39

analogous

#39DAAC #39B8DA #3968DA

triadic

#39B8DA #DA39B8 #B8DA39

tetradic

#39B8DA #AC39DA #DA5B39 #68DA39

square

#39B8DA #AC39DA #DA5B39 #68DA39

split-complementary

#39B8DA #DA3968 #DAAC39

monochromatic

#186A81 #2295B4 #39B8DA #6DCAE4 #A0DDED

Accessibility & contrast

On white

2.32

#39B8DA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.04

#39B8DA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #39B8DA

9.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##39B8DA	#FFFFFF	#000000	##000000
##39B8DA	1.00	2.32	9.04	9.04
#FFFFFF	2.32	1.00	21.00	21.00
#000000	9.04	21.00	1.00	1.00
##000000	9.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A3B3DC

Deuteranopia (green-blind)

#8DA3DA

Tritanopia (blue-blind)

#00C3C3

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #39b8da;
/* rgb */ color: rgb(57, 184, 218);
/* oklch */ color: oklch(72.9% 0.117 219.9);

Tailwind

colors: {
  custom: {
    50: '#86cde5',
    500: '#39b8da',
    950: '#000000',
  },
}

SCSS

$custom: #39b8da;
$custom-light: #86cde5;
$custom-dark: #000000;

JSON

{
  "hex": "#39b8da",
  "rgb": {
    "r": 57,
    "g": 184,
    "b": 218
  },
  "hsl": {
    "h": 192.671,
    "s": 68.511,
    "l": 53.922
  },
  "oklch": {
    "l": 0.72873,
    "c": 0.11738,
    "h": 219.9
  },
  "luminance": 0.40213
}

Semantic roles & 50–950 ramp

primary

#39B8DA

secondary

#DAA495

accent

#613CEB

background

#F9FCFE

surface

#F1F9FC

border

#CBD2D5

text

#0D1315

muted

#7E8284

Preview Lab

Preview with #39B8DA

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

Preview Lab → · Contrast checker → · Palette generator →