#3783A8#3783A8

#3783A8 is a mid, moderate cyan. Relative luminance 0.199; OKLCH L 57.9% C 0.093 H 232.8°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#3783A8
RGB	rgb(55, 131, 168)
HSL	hsl(200, 51%, 44%)
HSV	hsv(200, 67%, 66%)
CMYK	cmyk(67.3%, 22%, 0%, 34.1%)
CIE-LAB	lab(51.69, -11.40, -26.52)
CIE-LCH	lch(51.69, 28.87, 246.73°)
OKLab	oklab(57.86% -0.0564 -0.0744)
OKLCH	oklch(57.86% 0.093 232.8)
XYZ	xyz(16.7570, 19.8702, 39.9904)
Luminance	0.1987 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3783A8 #A85C37

analogous

#37A894 #3783A8 #374AA8

triadic

#3783A8 #A83783 #83A837

tetradic

#3783A8 #9437A8 #A85C37 #4AA837

square

#3783A8 #9437A8 #A85C37 #4AA837

split-complementary

#3783A8 #A8374A #A89437

monochromatic

#193B4C #285F7A #3783A8 #55A2C7 #83BBD6

Accessibility & contrast

On white

4.22

#3783A8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#3783A8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3783A8

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3783A8	#FFFFFF	#000000	##000000
##3783A8	1.00	4.22	4.97	4.97
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7182AA

Deuteranopia (green-blind)

#6176A7

Tritanopia (blue-blind)

#008D8F

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #3783a8;
/* rgb */ color: rgb(55, 131, 168);
/* oklch */ color: oklch(57.9% 0.093 232.8);

Tailwind

colors: {
  custom: {
    50: '#7ba7c2',
    500: '#3783a8',
    950: '#000000',
  },
}

SCSS

$custom: #3783a8;
$custom-light: #7ba7c2;
$custom-dark: #000000;

JSON

{
  "hex": "#3783a8",
  "rgb": {
    "r": 55,
    "g": 131,
    "b": 168
  },
  "hsl": {
    "h": 199.646,
    "s": 50.673,
    "l": 43.725
  },
  "oklch": {
    "l": 0.57859,
    "c": 0.09335,
    "h": 232.8
  },
  "luminance": 0.19872
}

Semantic roles & 50–950 ramp

primary

#3783A8

secondary

#C0917B

accent

#7C4EDA

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #3783A8

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

Preview Lab → · Contrast checker → · Palette generator →