#3791AC#3791AC

#3791AC is a mid, moderate cyan. Relative luminance 0.240; OKLCH L 61.5% C 0.093 H 221.3°. Best body text is #000000 at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#3791AC
RGB	rgb(55, 145, 172)
HSL	hsl(194, 52%, 45%)
HSV	hsv(194, 68%, 67%)
CMYK	cmyk(68%, 15.7%, 0%, 32.5%)
CIE-LAB	lab(56.13, -17.80, -21.98)
CIE-LCH	lch(56.13, 28.29, 231.00°)
OKLab	oklab(61.46% -0.0697 -0.0613)
OKLCH	oklch(61.46% 0.093 221.3)
XYZ	xyz(19.1443, 24.0395, 42.6529)
Luminance	0.2404 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3791AC #AC5237

analogous

#37AC8D #3791AC #3757AC

triadic

#3791AC #AC3791 #91AC37

tetradic

#3791AC #8D37AC #AC5237 #57AC37

square

#3791AC #8D37AC #AC5237 #57AC37

split-complementary

#3791AC #AC3757 #AC8D37

monochromatic

#19434F #286A7E #3791AC #57AFC9 #85C5D8

Accessibility & contrast

On white

3.62

#3791AC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.81

#3791AC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3791AC

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3791AC	#FFFFFF	#000000	##000000
##3791AC	1.00	3.62	5.81	5.81
#FFFFFF	3.62	1.00	21.00	21.00
#000000	5.81	21.00	1.00	1.00
##000000	5.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#818DAD

Deuteranopia (green-blind)

#7181AC

Tritanopia (blue-blind)

#009A9A

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #3791ac;
/* rgb */ color: rgb(55, 145, 172);
/* oklch */ color: oklch(61.5% 0.093 221.3);

Tailwind

colors: {
  custom: {
    50: '#7cb1c4',
    500: '#3791ac',
    950: '#000000',
  },
}

SCSS

$custom: #3791ac;
$custom-light: #7cb1c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3791ac",
  "rgb": {
    "r": 55,
    "g": 145,
    "b": 172
  },
  "hsl": {
    "h": 193.846,
    "s": 51.542,
    "l": 44.51
  },
  "oklch": {
    "l": 0.61458,
    "c": 0.09285,
    "h": 221.3
  },
  "luminance": 0.24042
}

Semantic roles & 50–950 ramp

primary

#3791AC

secondary

#C28D7D

accent

#6E4DDB

background

#F8FAFC

surface

#EFF5F8

border

#CACFD1

text

#0B1012

muted

#7C7F81

Preview Lab

Preview with #3791AC

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

Preview Lab → · Contrast checker → · Palette generator →