#3B8CCB#3B8CCB

#3B8CCB is a mid, vivid cyan. Relative luminance 0.240; OKLCH L 61.9% C 0.124 H 245.3°. Best body text is #000000 at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#3B8CCB
RGB	rgb(59, 140, 203)
HSL	hsl(206, 58%, 51%)
HSV	hsv(206, 71%, 80%)
CMYK	cmyk(70.9%, 31%, 0%, 20.4%)
CIE-LAB	lab(56.08, -3.91, -39.65)
CIE-LCH	lch(56.08, 39.85, 264.37°)
OKLab	oklab(61.9% -0.0516 -0.1123)
OKLCH	oklch(61.9% 0.124 245.3)
XYZ	xyz(21.9571, 23.9953, 59.9627)
Luminance	0.2400 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B8CCB #CB7A3B

analogous

#3BCBC2 #3B8CCB #3B44CB

triadic

#3B8CCB #CB3B8C #8CCB3B

tetradic

#3B8CCB #C23BCB #CB7A3B #44CB3B

square

#3B8CCB #C23BCB #CB7A3B #44CB3B

split-complementary

#3B8CCB #CB3B44 #CBC23B

monochromatic

#1D4B6E #2A6C9F #3B8CCB #6BA8D8 #9CC5E5

Accessibility & contrast

On white

3.62

#3B8CCB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.80

#3B8CCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B8CCB

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B8CCB	#FFFFFF	#000000	##000000
##3B8CCB	1.00	3.62	5.80	5.80
#FFFFFF	3.62	1.00	21.00	21.00
#000000	5.80	21.00	1.00	1.00
##000000	5.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F8ECE

Deuteranopia (green-blind)

#5B80CA

Tritanopia (blue-blind)

#009BA2

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #3b8ccb;
/* rgb */ color: rgb(59, 140, 203);
/* oklch */ color: oklch(61.9% 0.124 245.3);

Tailwind

colors: {
  custom: {
    50: '#82addb',
    500: '#3b8ccb',
    950: '#000000',
  },
}

SCSS

$custom: #3b8ccb;
$custom-light: #82addb;
$custom-dark: #000000;

JSON

{
  "hex": "#3b8ccb",
  "rgb": {
    "r": 59,
    "g": 140,
    "b": 203
  },
  "hsl": {
    "h": 206.25,
    "s": 58.065,
    "l": 51.373
  },
  "oklch": {
    "l": 0.61896,
    "c": 0.12354,
    "h": 245.3
  },
  "luminance": 0.23998
}

Semantic roles & 50–950 ramp

primary

#3B8CCB

secondary

#D1AD91

accent

#8A47E1

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #3B8CCB

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

Preview Lab → · Contrast checker → · Palette generator →