#3687C3#3687C3

#3687C3 is a mid, vivid cyan. Relative luminance 0.221; OKLCH L 60.1% C 0.120 H 244.3°. Best body text is #000000 at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#3687C3
RGB	rgb(54, 135, 195)
HSL	hsl(206, 57%, 49%)
HSV	hsv(206, 72%, 76%)
CMYK	cmyk(72.3%, 30.8%, 0%, 23.5%)
CIE-LAB	lab(54.08, -4.52, -38.28)
CIE-LCH	lch(54.08, 38.54, 263.27°)
OKLab	oklab(60.15% -0.0521 -0.1084)
OKLCH	oklch(60.15% 0.12 244.3)
XYZ	xyz(20.0318, 22.0501, 54.8195)
Luminance	0.2205 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3687C3 #C37236

analogous

#36C3B9 #3687C3 #3640C3

triadic

#3687C3 #C33687 #87C336

tetradic

#3687C3 #B936C3 #C37236 #40C336

square

#3687C3 #B936C3 #C37236 #40C336

split-complementary

#3687C3 #C33640 #C3B936

monochromatic

#1B4563 #296693 #3687C3 #63A4D4 #92C0E1

Accessibility & contrast

On white

3.88

#3687C3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.41

#3687C3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3687C3

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3687C3	#FFFFFF	#000000	##000000
##3687C3	1.00	3.88	5.41	5.41
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.41	21.00	1.00	1.00
##000000	5.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C89C6

Deuteranopia (green-blind)

#587BC2

Tritanopia (blue-blind)

#00969C

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #3687c3;
/* rgb */ color: rgb(54, 135, 195);
/* oklch */ color: oklch(60.1% 0.120 244.3);

Tailwind

colors: {
  custom: {
    50: '#7fa9d5',
    500: '#3687c3',
    950: '#000000',
  },
}

SCSS

$custom: #3687c3;
$custom-light: #7fa9d5;
$custom-dark: #000000;

JSON

{
  "hex": "#3687c3",
  "rgb": {
    "r": 54,
    "g": 135,
    "b": 195
  },
  "hsl": {
    "h": 205.532,
    "s": 56.627,
    "l": 48.824
  },
  "oklch": {
    "l": 0.60147,
    "c": 0.12023,
    "h": 244.3
  },
  "luminance": 0.22052
}

Semantic roles & 50–950 ramp

primary

#3687C3

secondary

#CCA589

accent

#8948E0

background

#F8FAFD

surface

#EFF4FA

border

#CACED3

text

#0B0F14

muted

#7C7F83

Preview Lab

Preview with #3687C3

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

Preview Lab → · Contrast checker → · Palette generator →