#3681AC#3681AC

#3681AC is a mid, moderate cyan. Relative luminance 0.195; OKLCH L 57.5% C 0.099 H 237.2°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#3681AC
RGB	rgb(54, 129, 172)
HSL	hsl(202, 52%, 44%)
HSV	hsv(202, 69%, 67%)
CMYK	cmyk(68.6%, 25%, 0%, 32.5%)
CIE-LAB	lab(51.22, -9.07, -29.56)
CIE-LCH	lch(51.22, 30.92, 252.95°)
OKLab	oklab(57.54% -0.0535 -0.0831)
OKLCH	oklch(57.54% 0.099 237.2)
XYZ	xyz(16.8151, 19.4615, 41.8920)
Luminance	0.1946 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3681AC #AC6136

analogous

#36AC9C #3681AC #3646AC

triadic

#3681AC #AC3681 #81AC36

tetradic

#3681AC #9C36AC #AC6136 #46AC36

square

#3681AC #9C36AC #AC6136 #46AC36

split-complementary

#3681AC #AC3646 #AC9C36

monochromatic

#193B4F #275E7D #3681AC #559FCA #84BAD8

Accessibility & contrast

On white

4.29

#3681AC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#3681AC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3681AC

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3681AC	#FFFFFF	#000000	##000000
##3681AC	1.00	4.29	4.89	4.89
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.89	21.00	1.00	1.00
##000000	4.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D81AE

Deuteranopia (green-blind)

#5D75AB

Tritanopia (blue-blind)

#008C90

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #3681ac;
/* rgb */ color: rgb(54, 129, 172);
/* oklch */ color: oklch(57.5% 0.099 237.2);

Tailwind

colors: {
  custom: {
    50: '#7ba5c5',
    500: '#3681ac',
    950: '#000000',
  },
}

SCSS

$custom: #3681ac;
$custom-light: #7ba5c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3681ac",
  "rgb": {
    "r": 54,
    "g": 129,
    "b": 172
  },
  "hsl": {
    "h": 201.864,
    "s": 52.212,
    "l": 44.314
  },
  "oklch": {
    "l": 0.57536,
    "c": 0.09887,
    "h": 237.2
  },
  "luminance": 0.19463
}

Semantic roles & 50–950 ramp

primary

#3681AC

secondary

#C2957C

accent

#804CDC

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #3681AC

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

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