#3680AB#3680AB

#3680AB is a mid, moderate cyan. Relative luminance 0.192; OKLCH L 57.2% C 0.098 H 237.5°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#3680AB
RGB	rgb(54, 128, 171)
HSL	hsl(202, 52%, 44%)
HSV	hsv(202, 68%, 67%)
CMYK	cmyk(68.4%, 25.1%, 0%, 32.9%)
CIE-LAB	lab(50.88, -8.83, -29.52)
CIE-LCH	lch(50.88, 30.82, 253.34°)
OKLab	oklab(57.25% -0.0528 -0.083)
OKLCH	oklch(57.25% 0.098 237.5)
XYZ	xyz(16.5883, 19.1611, 41.3444)
Luminance	0.1916 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3680AB #AB6136

analogous

#36AB9C #3680AB #3646AB

triadic

#3680AB #AB3680 #80AB36

tetradic

#3680AB #9C36AB #AB6136 #46AB36

square

#3680AB #9C36AB #AB6136 #46AB36

split-complementary

#3680AB #AB3646 #AB9C36

monochromatic

#193A4E #275D7C #3680AB #559FC9 #83B9D8

Accessibility & contrast

On white

4.35

#3680AB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#3680AB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3680AB

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3680AB	#FFFFFF	#000000	##000000
##3680AB	1.00	4.35	4.83	4.83
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C80AD

Deuteranopia (green-blind)

#5C74AA

Tritanopia (blue-blind)

#008B8F

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #3680ab;
/* rgb */ color: rgb(54, 128, 171);
/* oklch */ color: oklch(57.2% 0.098 237.5);

Tailwind

colors: {
  custom: {
    50: '#7ba4c4',
    500: '#3680ab',
    950: '#000000',
  },
}

SCSS

$custom: #3680ab;
$custom-light: #7ba4c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3680ab",
  "rgb": {
    "r": 54,
    "g": 128,
    "b": 171
  },
  "hsl": {
    "h": 202.051,
    "s": 52,
    "l": 44.118
  },
  "oklch": {
    "l": 0.57245,
    "c": 0.09842,
    "h": 237.5
  },
  "luminance": 0.19163
}

Semantic roles & 50–950 ramp

primary

#3680AB

secondary

#C2957B

accent

#814CDB

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #3680AB

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

Preview Lab → · Contrast checker → · Palette generator →