#3791AF#3791AF

#3791AF is a mid, moderate cyan. Relative luminance 0.242; OKLCH L 61.6% C 0.095 H 223.8°. Best body text is #000000 at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#3791AF
RGB	rgb(55, 145, 175)
HSL	hsl(195, 52%, 45%)
HSV	hsv(195, 69%, 69%)
CMYK	cmyk(68.6%, 17.1%, 0%, 31.4%)
CIE-LAB	lab(56.24, -16.82, -23.52)
CIE-LCH	lch(56.24, 28.91, 234.42°)
OKLab	oklab(61.59% -0.0685 -0.0657)
OKLCH	oklch(61.59% 0.095 223.8)
XYZ	xyz(19.4357, 24.1560, 44.1874)
Luminance	0.2416 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3791AF #AF5537

analogous

#37AF91 #3791AF #3755AF

triadic

#3791AF #AF3791 #91AF37

tetradic

#3791AF #9137AF #AF5537 #55AF37

square

#3791AF #9137AF #AF5537 #55AF37

split-complementary

#3791AF #AF3755 #AF9137

monochromatic

#1A4452 #286A80 #3791AF #59AECB #87C5D9

Accessibility & contrast

On white

3.60

#3791AF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.83

#3791AF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3791AF

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3791AF	#FFFFFF	#000000	##000000
##3791AF	1.00	3.60	5.83	5.83
#FFFFFF	3.60	1.00	21.00	21.00
#000000	5.83	21.00	1.00	1.00
##000000	5.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#808EB1

Deuteranopia (green-blind)

#6F82AF

Tritanopia (blue-blind)

#009A9B

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #3791af;
/* rgb */ color: rgb(55, 145, 175);
/* oklch */ color: oklch(61.6% 0.095 223.8);

Tailwind

colors: {
  custom: {
    50: '#7db1c7',
    500: '#3791af',
    950: '#000000',
  },
}

SCSS

$custom: #3791af;
$custom-light: #7db1c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3791af",
  "rgb": {
    "r": 55,
    "g": 145,
    "b": 175
  },
  "hsl": {
    "h": 195,
    "s": 52.174,
    "l": 45.098
  },
  "oklch": {
    "l": 0.61589,
    "c": 0.09494,
    "h": 223.8
  },
  "luminance": 0.24158
}

Semantic roles & 50–950 ramp

primary

#3791AF

secondary

#C3907F

accent

#704CDC

background

#F8FAFC

surface

#EFF5F8

border

#CACFD1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3791AF

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

Preview Lab → · Contrast checker → · Palette generator →