#3B8BDC#3B8BDC

#3B8BDC is a light, vivid cyan. Relative luminance 0.246; OKLCH L 62.6% C 0.145 H 251.5°. Best body text is #000000 at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#3B8BDC
RGB	rgb(59, 139, 220)
HSL	hsl(210, 70%, 55%)
HSV	hsv(210, 73%, 86%)
CMYK	cmyk(73.2%, 36.8%, 0%, 13.7%)
CIE-LAB	lab(56.64, 2.69, -48.33)
CIE-LCH	lch(56.64, 48.40, 273.18°)
OKLab	oklab(62.61% -0.046 -0.1376)
OKLCH	oklch(62.61% 0.145 251.5)
XYZ	xyz(23.9497, 24.5596, 71.1745)
Luminance	0.2456 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B8BDC #DC8C3B

analogous

#3BDCDC #3B8BDC #3B3BDC

triadic

#3B8BDC #DC3B8B #8BDC3B

tetradic

#3B8BDC #DC3BDC #DC8C3B #3BDC3B

square

#3B8BDC #DC3BDC #DC8C3B #3BDC3B

split-complementary

#3B8BDC #DC3B3B #DCDC3B

monochromatic

#184E85 #216CB9 #3B8BDC #6FAAE5 #A3C8EF

Accessibility & contrast

On white

3.55

#3B8BDC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.91

#3B8BDC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B8BDC

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B8BDC	#FFFFFF	#000000	##000000
##3B8BDC	1.00	3.55	5.91	5.91
#FFFFFF	3.55	1.00	21.00	21.00
#000000	5.91	21.00	1.00	1.00
##000000	5.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6690DF

Deuteranopia (green-blind)

#4D81DA

Tritanopia (blue-blind)

#009EA9

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #3b8bdc;
/* rgb */ color: rgb(59, 139, 220);
/* oklch */ color: oklch(62.6% 0.145 251.5);

Tailwind

colors: {
  custom: {
    50: '#85ace7',
    500: '#3b8bdc',
    950: '#000000',
  },
}

SCSS

$custom: #3b8bdc;
$custom-light: #85ace7;
$custom-dark: #000000;

JSON

{
  "hex": "#3b8bdc",
  "rgb": {
    "r": 59,
    "g": 139,
    "b": 220
  },
  "hsl": {
    "h": 210.186,
    "s": 69.697,
    "l": 54.706
  },
  "oklch": {
    "l": 0.62614,
    "c": 0.14509,
    "h": 251.5
  },
  "luminance": 0.24562
}

Semantic roles & 50–950 ramp

primary

#3B8BDC

secondary

#DBBA97

accent

#943BED

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0C1016

muted

#7D7F84

Preview Lab

Preview with #3B8BDC

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

Preview Lab → · Contrast checker → · Palette generator →