#3791C9#3791C9

#3791C9 is a light, moderate cyan. Relative luminance 0.253; OKLCH L 62.8% C 0.119 H 240.1°. Best body text is #000000 at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#3791C9
RGB	rgb(55, 145, 201)
HSL	hsl(203, 57%, 50%)
HSV	hsv(203, 73%, 79%)
CMYK	cmyk(72.6%, 27.9%, 0%, 21.2%)
CIE-LAB	lab(57.34, -8.04, -36.55)
CIE-LCH	lch(57.34, 37.43, 257.60°)
OKLab	oklab(62.83% -0.0593 -0.1032)
OKLCH	oklch(62.83% 0.119 240.1)
XYZ	xyz(22.2395, 25.2775, 58.9540)
Luminance	0.2528 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3791C9 #C96F37

analogous

#37C9B8 #3791C9 #3748C9

triadic

#3791C9 #C93791 #91C937

tetradic

#3791C9 #B837C9 #C96F37 #48C937

square

#3791C9 #B837C9 #C96F37 #48C937

split-complementary

#3791C9 #C93748 #C9B837

monochromatic

#1C4C69 #296E99 #3791C9 #67ACD6 #97C6E3

Accessibility & contrast

On white

3.47

#3791C9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.06

#3791C9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3791C9

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3791C9	#FFFFFF	#000000	##000000
##3791C9	1.00	3.47	6.06	6.06
#FFFFFF	3.47	1.00	21.00	21.00
#000000	6.06	21.00	1.00	1.00
##000000	6.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7791CC

Deuteranopia (green-blind)

#6383C8

Tritanopia (blue-blind)

#009FA4

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #3791c9;
/* rgb */ color: rgb(55, 145, 201);
/* oklch */ color: oklch(62.8% 0.119 240.1);

Tailwind

colors: {
  custom: {
    50: '#80b1d9',
    500: '#3791c9',
    950: '#000000',
  },
}

SCSS

$custom: #3791c9;
$custom-light: #80b1d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3791c9",
  "rgb": {
    "r": 55,
    "g": 145,
    "b": 201
  },
  "hsl": {
    "h": 203.014,
    "s": 57.48,
    "l": 50.196
  },
  "oklch": {
    "l": 0.6283,
    "c": 0.11906,
    "h": 240.1
  },
  "luminance": 0.2528
}

Semantic roles & 50–950 ramp

primary

#3791C9

secondary

#CFA68D

accent

#8247E1

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C1014

muted

#7D7F83

Preview Lab

Preview with #3791C9

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

Preview Lab → · Contrast checker → · Palette generator →