#3B80BB#3B80BB

#3B80BB is a mid, moderate cyan. Relative luminance 0.200; OKLCH L 58.3% C 0.115 H 247.2°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#3B80BB
RGB	rgb(59, 128, 187)
HSL	hsl(208, 52%, 48%)
HSV	hsv(208, 68%, 73%)
CMYK	cmyk(68.4%, 31.6%, 0%, 26.7%)
CIE-LAB	lab(51.79, -2.47, -37.31)
CIE-LCH	lch(51.79, 37.39, 266.21°)
OKLab	oklab(58.26% -0.0444 -0.1056)
OKLCH	oklch(58.26% 0.115 247.2)
XYZ	xyz(18.4891, 19.9541, 49.8812)
Luminance	0.1996 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B80BB #BB763B

analogous

#3BBBB6 #3B80BB #3B40BB

triadic

#3B80BB #BB3B80 #80BB3B

tetradic

#3B80BB #B63BBB #BB763B #40BB3B

square

#3B80BB #B63BBB #BB763B #40BB3B

split-complementary

#3B80BB #BB3B40 #BBB63B

monochromatic

#1E405E #2C608C #3B80BB #659ECE #93BBDD

Accessibility & contrast

On white

4.21

#3B80BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.99

#3B80BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B80BB

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B80BB	#FFFFFF	#000000	##000000
##3B80BB	1.00	4.21	4.99	4.99
#FFFFFF	4.21	1.00	21.00	21.00
#000000	4.99	21.00	1.00	1.00
##000000	4.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6682BE

Deuteranopia (green-blind)

#5476BA

Tritanopia (blue-blind)

#008E95

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #3b80bb;
/* rgb */ color: rgb(59, 128, 187);
/* oklch */ color: oklch(58.3% 0.115 247.2);

Tailwind

colors: {
  custom: {
    50: '#7fa4cf',
    500: '#3b80bb',
    950: '#000000',
  },
}

SCSS

$custom: #3b80bb;
$custom-light: #7fa4cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3b80bb",
  "rgb": {
    "r": 59,
    "g": 128,
    "b": 187
  },
  "hsl": {
    "h": 207.656,
    "s": 52.033,
    "l": 48.235
  },
  "oklch": {
    "l": 0.58256,
    "c": 0.11454,
    "h": 247.2
  },
  "luminance": 0.19956
}

Semantic roles & 50–950 ramp

primary

#3B80BB

secondary

#C8A68A

accent

#8E4CDB

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3B80BB

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

Preview Lab → · Contrast checker → · Palette generator →