#3783A7#3783A7

#3783A7 is a mid, moderate cyan. Relative luminance 0.198; OKLCH L 57.8% C 0.092 H 232.1°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#3783A7
RGB	rgb(55, 131, 167)
HSL	hsl(199, 50%, 44%)
HSV	hsv(199, 67%, 65%)
CMYK	cmyk(67.1%, 21.6%, 0%, 34.5%)
CIE-LAB	lab(51.65, -11.74, -26.01)
CIE-LCH	lch(51.65, 28.54, 245.70°)
OKLab	oklab(57.81% -0.0568 -0.0729)
OKLCH	oklch(57.81% 0.092 232.1)
XYZ	xyz(16.6642, 19.8331, 39.5017)
Luminance	0.1983 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3783A7 #A75B37

analogous

#37A793 #3783A7 #374BA7

triadic

#3783A7 #A73783 #83A737

tetradic

#3783A7 #9337A7 #A75B37 #4BA737

square

#3783A7 #9337A7 #A75B37 #4BA737

split-complementary

#3783A7 #A7374B #A79337

monochromatic

#193B4B #285F79 #3783A7 #54A2C7 #82BBD6

Accessibility & contrast

On white

4.23

#3783A7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#3783A7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3783A7

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3783A7	#FFFFFF	#000000	##000000
##3783A7	1.00	4.23	4.97	4.97
#FFFFFF	4.23	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)

#7181A9

Deuteranopia (green-blind)

#6276A6

Tritanopia (blue-blind)

#008D8F

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #3783a7;
/* rgb */ color: rgb(55, 131, 167);
/* oklch */ color: oklch(57.8% 0.092 232.1);

Tailwind

colors: {
  custom: {
    50: '#7ba7c1',
    500: '#3783a7',
    950: '#000000',
  },
}

SCSS

$custom: #3783a7;
$custom-light: #7ba7c1;
$custom-dark: #000000;

JSON

{
  "hex": "#3783a7",
  "rgb": {
    "r": 55,
    "g": 131,
    "b": 167
  },
  "hsl": {
    "h": 199.286,
    "s": 50.45,
    "l": 43.529
  },
  "oklch": {
    "l": 0.57812,
    "c": 0.0924,
    "h": 232.1
  },
  "luminance": 0.19835
}

Semantic roles & 50–950 ramp

primary

#3783A7

secondary

#C0917A

accent

#7B4EDA

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #3783A7

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

Preview Lab → · Contrast checker → · Palette generator →