#3681BD#3681BD

#3681BD is a mid, moderate cyan. Relative luminance 0.202; OKLCH L 58.4% C 0.118 H 246.0°. Best body text is #000000 at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#3681BD
RGB	rgb(54, 129, 189)
HSL	hsl(207, 56%, 48%)
HSV	hsv(207, 71%, 74%)
CMYK	cmyk(71.4%, 31.7%, 0%, 25.9%)
CIE-LAB	lab(52.01, -3.12, -38.10)
CIE-LCH	lch(52.01, 38.23, 265.32°)
OKLab	oklab(58.42% -0.048 -0.1079)
OKLCH	oklch(58.42% 0.118 246)
XYZ	xyz(18.5534, 20.1569, 51.0471)
Luminance	0.2016 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3681BD #BD7236

analogous

#36BDB6 #3681BD #363DBD

triadic

#3681BD #BD3681 #81BD36

tetradic

#3681BD #B636BD #BD7236 #3DBD36

square

#3681BD #B636BD #BD7236 #3DBD36

split-complementary

#3681BD #BD363D #BDB636

monochromatic

#1B405E #28618D #3681BD #5F9ED1 #8FBBDF

Accessibility & contrast

On white

4.17

#3681BD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.03

#3681BD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3681BD

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3681BD	#FFFFFF	#000000	##000000
##3681BD	1.00	4.17	5.03	5.03
#FFFFFF	4.17	1.00	21.00	21.00
#000000	5.03	21.00	1.00	1.00
##000000	5.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6683C0

Deuteranopia (green-blind)

#5376BC

Tritanopia (blue-blind)

#008F96

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #3681bd;
/* rgb */ color: rgb(54, 129, 189);
/* oklch */ color: oklch(58.4% 0.118 246.0);

Tailwind

colors: {
  custom: {
    50: '#7da5d1',
    500: '#3681bd',
    950: '#000000',
  },
}

SCSS

$custom: #3681bd;
$custom-light: #7da5d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3681bd",
  "rgb": {
    "r": 54,
    "g": 129,
    "b": 189
  },
  "hsl": {
    "h": 206.667,
    "s": 55.556,
    "l": 47.647
  },
  "oklch": {
    "l": 0.58422,
    "c": 0.11813,
    "h": 246
  },
  "luminance": 0.20159
}

Semantic roles & 50–950 ramp

primary

#3681BD

secondary

#C9A485

accent

#8C49DF

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3681BD

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

Preview Lab → · Contrast checker → · Palette generator →