#3690AB#3690AB

#3690AB is a mid, moderate cyan. Relative luminance 0.237; OKLCH L 61.1% C 0.093 H 221.4°. Best body text is #000000 at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#3690AB
RGB	rgb(54, 144, 171)
HSL	hsl(194, 52%, 44%)
HSV	hsv(194, 68%, 67%)
CMYK	cmyk(68.4%, 15.8%, 0%, 32.9%)
CIE-LAB	lab(55.75, -17.75, -21.98)
CIE-LCH	lch(55.75, 28.25, 231.09°)
OKLab	oklab(61.14% -0.0696 -0.0613)
OKLCH	oklch(61.14% 0.093 221.4)
XYZ	xyz(18.8423, 23.6690, 42.0957)
Luminance	0.2367 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3690AB #AB5136

analogous

#36AB8C #3690AB #3656AB

triadic

#3690AB #AB3690 #90AB36

tetradic

#3690AB #8C36AB #AB5136 #56AB36

square

#3690AB #8C36AB #AB5136 #56AB36

split-complementary

#3690AB #AB3656 #AB8C36

monochromatic

#19424E #27697C #3690AB #55AEC9 #83C4D8

Accessibility & contrast

On white

3.66

#3690AB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.73

#3690AB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3690AB

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3690AB	#FFFFFF	#000000	##000000
##3690AB	1.00	3.66	5.73	5.73
#FFFFFF	3.66	1.00	21.00	21.00
#000000	5.73	21.00	1.00	1.00
##000000	5.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#808CAC

Deuteranopia (green-blind)

#7080AB

Tritanopia (blue-blind)

#009999

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #3690ab;
/* rgb */ color: rgb(54, 144, 171);
/* oklch */ color: oklch(61.1% 0.093 221.4);

Tailwind

colors: {
  custom: {
    50: '#7cb0c4',
    500: '#3690ab',
    950: '#000000',
  },
}

SCSS

$custom: #3690ab;
$custom-light: #7cb0c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3690ab",
  "rgb": {
    "r": 54,
    "g": 144,
    "b": 171
  },
  "hsl": {
    "h": 193.846,
    "s": 52,
    "l": 44.118
  },
  "oklch": {
    "l": 0.61138,
    "c": 0.09279,
    "h": 221.4
  },
  "luminance": 0.23671
}

Semantic roles & 50–950 ramp

primary

#3690AB

secondary

#C28B7B

accent

#6D4CDB

background

#F8FAFC

surface

#EFF5F8

border

#CACFD1

text

#0B1012

muted

#7C7F81

Preview Lab

Preview with #3690AB

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

Preview Lab → · Contrast checker → · Palette generator →