#3680D7#3680D7

#3680D7 is a mid, vivid cyan. Relative luminance 0.211; OKLCH L 59.7% C 0.152 H 254.6°. Best body text is #000000 at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#3680D7
RGB	rgb(54, 128, 215)
HSL	hsl(212, 67%, 53%)
HSV	hsv(212, 75%, 84%)
CMYK	cmyk(74.9%, 40.5%, 0%, 15.7%)
CIE-LAB	lab(53.09, 6.87, -51.18)
CIE-LCH	lch(53.09, 51.64, 277.64°)
OKLab	oklab(59.71% -0.0404 -0.1462)
OKLCH	oklch(59.71% 0.152 254.6)
XYZ	xyz(21.5017, 21.1264, 67.2214)
Luminance	0.2113 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3680D7 #D78D36

analogous

#36D1D7 #3680D7 #3C36D7

triadic

#3680D7 #D73680 #80D736

tetradic

#3680D7 #D736D1 #D78D36 #36D73C

square

#3680D7 #D736D1 #D78D36 #36D73C

split-complementary

#3680D7 #D73C36 #D1D736

monochromatic

#18457A #2262AD #3680D7 #69A0E1 #9CC1EB

Accessibility & contrast

On white

4.02

#3680D7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.23

#3680D7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3680D7

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3680D7	#FFFFFF	#000000	##000000
##3680D7	1.00	4.02	5.23	5.23
#FFFFFF	4.02	1.00	21.00	21.00
#000000	5.23	21.00	1.00	1.00
##000000	5.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5687DA

Deuteranopia (green-blind)

#3B78D5

Tritanopia (blue-blind)

#0094A1

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3680d7;
/* rgb */ color: rgb(54, 128, 215);
/* oklch */ color: oklch(59.7% 0.152 254.6);

Tailwind

colors: {
  custom: {
    50: '#82a4e4',
    500: '#3680d7',
    950: '#000000',
  },
}

SCSS

$custom: #3680d7;
$custom-light: #82a4e4;
$custom-dark: #000000;

JSON

{
  "hex": "#3680d7",
  "rgb": {
    "r": 54,
    "g": 128,
    "b": 215
  },
  "hsl": {
    "h": 212.422,
    "s": 66.805,
    "l": 52.745
  },
  "oklch": {
    "l": 0.59708,
    "c": 0.15169,
    "h": 254.6
  },
  "luminance": 0.21129
}

Semantic roles & 50–950 ramp

primary

#3680D7

secondary

#D7B792

accent

#9B3EEA

background

#F8FAFE

surface

#F0F3FC

border

#CBCDD5

text

#0C0F15

muted

#7D7F84

Preview Lab

Preview with #3680D7

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

Preview Lab → · Contrast checker → · Palette generator →