#3682CF#3682CF

#3682CF is a mid, vivid cyan. Relative luminance 0.213; OKLCH L 59.7% C 0.139 H 251.6°. Best body text is #000000 at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#3682CF
RGB	rgb(54, 130, 207)
HSL	hsl(210, 61%, 51%)
HSV	hsv(210, 74%, 81%)
CMYK	cmyk(73.9%, 37.2%, 0%, 18.8%)
CIE-LAB	lab(53.22, 2.75, -46.44)
CIE-LCH	lch(53.22, 46.52, 273.38°)
OKLab	oklab(59.67% -0.044 -0.1323)
OKLCH	oklch(59.67% 0.139 251.6)
XYZ	xyz(20.7622, 21.2522, 62.0272)
Luminance	0.2125 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3682CF #CF8336

analogous

#36CFCF #3682CF #3636CF

triadic

#3682CF #CF3682 #82CF36

tetradic

#3682CF #CF36CF #CF8336 #36CF36

square

#3682CF #CF36CF #CF8336 #36CF36

split-complementary

#3682CF #CF3636 #CFCF36

monochromatic

#1B4570 #2763A1 #3682CF #67A1DB #99BFE7

Accessibility & contrast

On white

4.00

#3682CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.25

#3682CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3682CF

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3682CF	#FFFFFF	#000000	##000000
##3682CF	1.00	4.00	5.25	5.25
#FFFFFF	4.00	1.00	21.00	21.00
#000000	5.25	21.00	1.00	1.00
##000000	5.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E87D2

Deuteranopia (green-blind)

#4779CD

Tritanopia (blue-blind)

#00949E

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3682cf;
/* rgb */ color: rgb(54, 130, 207);
/* oklch */ color: oklch(59.7% 0.139 251.6);

Tailwind

colors: {
  custom: {
    50: '#81a5de',
    500: '#3682cf',
    950: '#000000',
  },
}

SCSS

$custom: #3682cf;
$custom-light: #81a5de;
$custom-dark: #000000;

JSON

{
  "hex": "#3682cf",
  "rgb": {
    "r": 54,
    "g": 130,
    "b": 207
  },
  "hsl": {
    "h": 210.196,
    "s": 61.446,
    "l": 51.176
  },
  "oklch": {
    "l": 0.59672,
    "c": 0.13943,
    "h": 251.6
  },
  "luminance": 0.21255
}

Semantic roles & 50–950 ramp

primary

#3682CF

secondary

#D2B18F

accent

#9443E5

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3682CF

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

Preview Lab → · Contrast checker → · Palette generator →