#3687A3#3687A3

#3687A3 is a mid, moderate cyan. Relative luminance 0.208; OKLCH L 58.6% C 0.088 H 224.3°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#3687A3
RGB	rgb(54, 135, 163)
HSL	hsl(195, 50%, 43%)
HSV	hsv(195, 67%, 64%)
CMYK	cmyk(66.9%, 17.2%, 0%, 36.1%)
CIE-LAB	lab(52.68, -15.47, -22.11)
CIE-LCH	lch(52.68, 26.98, 235.02°)
OKLab	oklab(58.57% -0.0632 -0.0617)
OKLCH	oklch(58.57% 0.088 224.3)
XYZ	xyz(16.7935, 20.7548, 37.7643)
Luminance	0.2076 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3687A3 #A35236

analogous

#36A388 #3687A3 #3650A3

triadic

#3687A3 #A33687 #87A336

tetradic

#3687A3 #8836A3 #A35236 #50A336

square

#3687A3 #8836A3 #A35236 #50A336

split-complementary

#3687A3 #A33650 #A38836

monochromatic

#183B47 #276175 #3687A3 #51A7C5 #7FBFD5

Accessibility & contrast

On white

4.08

#3687A3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.15

#3687A3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3687A3

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3687A3	#FFFFFF	#000000	##000000
##3687A3	1.00	4.08	5.15	5.15
#FFFFFF	4.08	1.00	21.00	21.00
#000000	5.15	21.00	1.00	1.00
##000000	5.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7784A4

Deuteranopia (green-blind)

#6879A3

Tritanopia (blue-blind)

#008F90

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #3687a3;
/* rgb */ color: rgb(54, 135, 163);
/* oklch */ color: oklch(58.6% 0.088 224.3);

Tailwind

colors: {
  custom: {
    50: '#7aaabe',
    500: '#3687a3',
    950: '#000000',
  },
}

SCSS

$custom: #3687a3;
$custom-light: #7aaabe;
$custom-dark: #000000;

JSON

{
  "hex": "#3687a3",
  "rgb": {
    "r": 54,
    "g": 135,
    "b": 163
  },
  "hsl": {
    "h": 195.413,
    "s": 50.23,
    "l": 42.549
  },
  "oklch": {
    "l": 0.58573,
    "c": 0.08834,
    "h": 224.3
  },
  "luminance": 0.20757
}

Semantic roles & 50–950 ramp

primary

#3687A3

secondary

#BE8977

accent

#724EDA

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #3687A3

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

Preview Lab → · Contrast checker → · Palette generator →