#3687AA#3687AA

#3687AA is a mid, moderate cyan. Relative luminance 0.210; OKLCH L 58.9% C 0.094 H 230.0°. Best body text is #000000 at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#3687AA
RGB	rgb(54, 135, 170)
HSL	hsl(198, 52%, 44%)
HSV	hsv(198, 68%, 67%)
CMYK	cmyk(68.2%, 20.6%, 0%, 33.3%)
CIE-LAB	lab(52.96, -13.14, -25.71)
CIE-LCH	lch(52.96, 28.87, 242.92°)
OKLab	oklab(58.89% -0.0605 -0.072)
OKLCH	oklch(58.89% 0.094 230)
XYZ	xyz(17.4381, 21.0126, 41.1592)
Luminance	0.2101 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3687AA #AA5936

analogous

#36AA93 #3687AA #364DAA

triadic

#3687AA #AA3687 #87AA36

tetradic

#3687AA #9336AA #AA5936 #4DAA36

square

#3687AA #9336AA #AA5936 #4DAA36

split-complementary

#3687AA #AA364D #AA9336

monochromatic

#183D4D #27627C #3687AA #54A6C9 #83BED8

Accessibility & contrast

On white

4.04

#3687AA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.20

#3687AA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3687AA

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3687AA	#FFFFFF	#000000	##000000
##3687AA	1.00	4.04	5.20	5.20
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.20	21.00	1.00	1.00
##000000	5.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7585AC

Deuteranopia (green-blind)

#6579AA

Tritanopia (blue-blind)

#009193

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #3687aa;
/* rgb */ color: rgb(54, 135, 170);
/* oklch */ color: oklch(58.9% 0.094 230.0);

Tailwind

colors: {
  custom: {
    50: '#7baac3',
    500: '#3687aa',
    950: '#000000',
  },
}

SCSS

$custom: #3687aa;
$custom-light: #7baac3;
$custom-dark: #000000;

JSON

{
  "hex": "#3687aa",
  "rgb": {
    "r": 54,
    "g": 135,
    "b": 170
  },
  "hsl": {
    "h": 198.103,
    "s": 51.786,
    "l": 43.922
  },
  "oklch": {
    "l": 0.58893,
    "c": 0.09407,
    "h": 230
  },
  "luminance": 0.21014
}

Semantic roles & 50–950 ramp

primary

#3687AA

secondary

#C1907B

accent

#784DDB

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #3687AA

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

Preview Lab → · Contrast checker → · Palette generator →