#3783A3#3783A3

#3783A3 is a mid, moderate cyan. Relative luminance 0.197; OKLCH L 57.6% C 0.089 H 229.0°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#3783A3
RGB	rgb(55, 131, 163)
HSL	hsl(198, 50%, 43%)
HSV	hsv(198, 66%, 64%)
CMYK	cmyk(66.3%, 19.6%, 0%, 36.1%)
CIE-LAB	lab(51.48, -13.08, -23.95)
CIE-LCH	lch(51.48, 27.29, 241.36°)
OKLab	oklab(57.62% -0.0583 -0.067)
OKLCH	oklch(57.62% 0.089 229)
XYZ	xyz(16.3001, 19.6874, 37.5842)
Luminance	0.1969 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3783A3 #A35737

analogous

#37A38D #3783A3 #374DA3

triadic

#3783A3 #A33783 #83A337

tetradic

#3783A3 #8D37A3 #A35737 #4DA337

square

#3783A3 #8D37A3 #A35737 #4DA337

split-complementary

#3783A3 #A3374D #A38D37

monochromatic

#183947 #285E75 #3783A3 #52A3C5 #80BBD4

Accessibility & contrast

On white

4.25

#3783A3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.94

#3783A3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3783A3

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3783A3	#FFFFFF	#000000	##000000
##3783A3	1.00	4.25	4.94	4.94
#FFFFFF	4.25	1.00	21.00	21.00
#000000	4.94	21.00	1.00	1.00
##000000	4.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7281A5

Deuteranopia (green-blind)

#6376A3

Tritanopia (blue-blind)

#008C8D

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #3783a3;
/* rgb */ color: rgb(55, 131, 163);
/* oklch */ color: oklch(57.6% 0.089 229.0);

Tailwind

colors: {
  custom: {
    50: '#7aa7be',
    500: '#3783a3',
    950: '#000000',
  },
}

SCSS

$custom: #3783a3;
$custom-light: #7aa7be;
$custom-dark: #000000;

JSON

{
  "hex": "#3783a3",
  "rgb": {
    "r": 55,
    "g": 131,
    "b": 163
  },
  "hsl": {
    "h": 197.778,
    "s": 49.541,
    "l": 42.745
  },
  "oklch": {
    "l": 0.57624,
    "c": 0.08879,
    "h": 229
  },
  "luminance": 0.19689
}

Semantic roles & 50–950 ramp

primary

#3783A3

secondary

#BE8D78

accent

#784FD9

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #3783A3

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

Preview Lab → · Contrast checker → · Palette generator →