#3B8BD0#3B8BD0

#3B8BD0 is a mid, vivid cyan. Relative luminance 0.239; OKLCH L 61.9% C 0.130 H 247.8°. Best body text is #000000 at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#3B8BD0
RGB	rgb(59, 139, 208)
HSL	hsl(208, 61%, 52%)
HSV	hsv(208, 72%, 82%)
CMYK	cmyk(71.6%, 33.2%, 0%, 18.4%)
CIE-LAB	lab(56.03, -1.57, -42.55)
CIE-LCH	lch(56.03, 42.58, 267.89°)
OKLab	oklab(61.94% -0.0492 -0.1207)
OKLCH	oklch(61.94% 0.13 247.8)
XYZ	xyz(22.4171, 23.9466, 63.1030)
Luminance	0.2395 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B8BD0 #D0803B

analogous

#3BD0CA #3B8BD0 #3B41D0

triadic

#3B8BD0 #D03B8B #8BD03B

tetradic

#3B8BD0 #CA3BD0 #D0803B #41D03B

square

#3B8BD0 #CA3BD0 #D0803B #41D03B

split-complementary

#3B8BD0 #D03B41 #D0CA3B

monochromatic

#1C4C75 #286CA6 #3B8BD0 #6CA8DC #9EC5E8

Accessibility & contrast

On white

3.63

#3B8BD0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.79

#3B8BD0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B8BD0

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B8BD0	#FFFFFF	#000000	##000000
##3B8BD0	1.00	3.63	5.79	5.79
#FFFFFF	3.63	1.00	21.00	21.00
#000000	5.79	21.00	1.00	1.00
##000000	5.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C8ED3

Deuteranopia (green-blind)

#5780CF

Tritanopia (blue-blind)

#009BA4

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #3b8bd0;
/* rgb */ color: rgb(59, 139, 208);
/* oklch */ color: oklch(61.9% 0.130 247.8);

Tailwind

colors: {
  custom: {
    50: '#83acde',
    500: '#3b8bd0',
    950: '#000000',
  },
}

SCSS

$custom: #3b8bd0;
$custom-light: #83acde;
$custom-dark: #000000;

JSON

{
  "hex": "#3b8bd0",
  "rgb": {
    "r": 59,
    "g": 139,
    "b": 208
  },
  "hsl": {
    "h": 207.785,
    "s": 61.317,
    "l": 52.353
  },
  "oklch": {
    "l": 0.61937,
    "c": 0.13035,
    "h": 247.8
  },
  "luminance": 0.23949
}

Semantic roles & 50–950 ramp

primary

#3B8BD0

secondary

#D4B193

accent

#8E43E4

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #3B8BD0

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

Preview Lab → · Contrast checker → · Palette generator →