#39B5D8#39B5D8

#39B5D8 is a light, moderate cyan. Relative luminance 0.389; OKLCH L 72.1% C 0.116 H 221.0°. Best body text is #000000 at 8.77:1 contrast (WCAG AA passes).

Color values

HEX	#39B5D8
RGB	rgb(57, 181, 216)
HSL	hsl(193, 67%, 54%)
HSV	hsv(193, 74%, 85%)
CMYK	cmyk(73.6%, 16.2%, 0%, 15.3%)
CIE-LAB	lab(68.66, -22.22, -27.34)
CIE-LCH	lch(68.66, 35.23, 230.90°)
OKLab	oklab(72.08% -0.0879 -0.0765)
OKLCH	oklch(72.08% 0.116 221)
XYZ	xyz(30.6007, 38.8718, 70.8427)
Luminance	0.3887 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#39B5D8 #D85C39

analogous

#39D8AC #39B5D8 #3965D8

triadic

#39B5D8 #D839B5 #B5D839

tetradic

#39B5D8 #AC39D8 #D85C39 #65D839

square

#39B5D8 #AC39D8 #D85C39 #65D839

split-complementary

#39B5D8 #D83965 #D8AC39

monochromatic

#19687E #2392B1 #39B5D8 #6CC8E2 #9FDBEC

Accessibility & contrast

On white

2.39

#39B5D8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.77

#39B5D8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #39B5D8

8.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##39B5D8	#FFFFFF	#000000	##000000
##39B5D8	1.00	2.39	8.77	8.77
#FFFFFF	2.39	1.00	21.00	21.00
#000000	8.77	21.00	1.00	1.00
##000000	8.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A0B0DA

Deuteranopia (green-blind)

#8BA1D8

Tritanopia (blue-blind)

#00C0C0

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #39b5d8;
/* rgb */ color: rgb(57, 181, 216);
/* oklch */ color: oklch(72.1% 0.116 221.0);

Tailwind

colors: {
  custom: {
    50: '#85cbe4',
    500: '#39b5d8',
    950: '#000000',
  },
}

SCSS

$custom: #39b5d8;
$custom-light: #85cbe4;
$custom-dark: #000000;

JSON

{
  "hex": "#39b5d8",
  "rgb": {
    "r": 57,
    "g": 181,
    "b": 216
  },
  "hsl": {
    "h": 193.208,
    "s": 67.089,
    "l": 53.529
  },
  "oklch": {
    "l": 0.72077,
    "c": 0.11648,
    "h": 221
  },
  "luminance": 0.38875
}

Semantic roles & 50–950 ramp

primary

#39B5D8

secondary

#D8A394

accent

#643EEA

background

#F9FCFD

surface

#F1F8FB

border

#CBD1D4

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #39B5D8

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

Preview Lab → · Contrast checker → · Palette generator →