#3791B2#3791B2

#3791B2 is a mid, moderate cyan. Relative luminance 0.243; OKLCH L 61.7% C 0.097 H 226.1°. Best body text is #000000 at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#3791B2
RGB	rgb(55, 145, 178)
HSL	hsl(196, 53%, 46%)
HSV	hsv(196, 69%, 70%)
CMYK	cmyk(69.1%, 18.5%, 0%, 30.2%)
CIE-LAB	lab(56.36, -15.84, -25.04)
CIE-LCH	lch(56.36, 29.63, 237.69°)
OKLab	oklab(61.72% -0.0674 -0.0701)
OKLCH	oklch(61.72% 0.097 226.1)
XYZ	xyz(19.7336, 24.2752, 45.7564)
Luminance	0.2428 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3791B2 #B25837

analogous

#37B296 #3791B2 #3753B2

triadic

#3791B2 #B23791 #91B237

tetradic

#3791B2 #9637B2 #B25837 #53B237

square

#3791B2 #9637B2 #B25837 #53B237

split-complementary

#3791B2 #B23753 #B29637

monochromatic

#1A4554 #296B83 #3791B2 #5AADCC #89C5DB

Accessibility & contrast

On white

3.59

#3791B2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.86

#3791B2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3791B2

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3791B2	#FFFFFF	#000000	##000000
##3791B2	1.00	3.59	5.86	5.86
#FFFFFF	3.59	1.00	21.00	21.00
#000000	5.86	21.00	1.00	1.00
##000000	5.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F8EB4

Deuteranopia (green-blind)

#6E82B2

Tritanopia (blue-blind)

#009B9C

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #3791b2;
/* rgb */ color: rgb(55, 145, 178);
/* oklch */ color: oklch(61.7% 0.097 226.1);

Tailwind

colors: {
  custom: {
    50: '#7db1c9',
    500: '#3791b2',
    950: '#000000',
  },
}

SCSS

$custom: #3791b2;
$custom-light: #7db1c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3791b2",
  "rgb": {
    "r": 55,
    "g": 145,
    "b": 178
  },
  "hsl": {
    "h": 196.098,
    "s": 52.79,
    "l": 45.686
  },
  "oklch": {
    "l": 0.61724,
    "c": 0.09721,
    "h": 226.1
  },
  "luminance": 0.24277
}

Semantic roles & 50–950 ramp

primary

#3791B2

secondary

#C59380

accent

#724CDC

background

#F8FAFC

surface

#EFF5F8

border

#CACFD1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3791B2

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

Preview Lab → · Contrast checker → · Palette generator →