#3783AF#3783AF

#3783AF is a mid, moderate cyan. Relative luminance 0.201; OKLCH L 58.2% C 0.100 H 237.5°. Best body text is #000000 at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#3783AF
RGB	rgb(55, 131, 175)
HSL	hsl(202, 52%, 45%)
HSV	hsv(202, 69%, 69%)
CMYK	cmyk(68.6%, 25.1%, 0%, 31.4%)
CIE-LAB	lab(51.99, -9.02, -30.09)
CIE-LCH	lch(51.99, 31.42, 253.31°)
OKLab	oklab(58.2% -0.0539 -0.0846)
OKLCH	oklch(58.2% 0.1 237.5)
XYZ	xyz(17.4267, 20.1381, 43.5177)
Luminance	0.2014 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3783AF #AF6337

analogous

#37AF9F #3783AF #3747AF

triadic

#3783AF #AF3783 #83AF37

tetradic

#3783AF #9F37AF #AF6337 #47AF37

square

#3783AF #9F37AF #AF6337 #47AF37

split-complementary

#3783AF #AF3747 #AF9F37

monochromatic

#1A3D52 #286080 #3783AF #59A1CB #87BBD9

Accessibility & contrast

On white

4.18

#3783AF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.03

#3783AF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3783AF

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3783AF	#FFFFFF	#000000	##000000
##3783AF	1.00	4.18	5.03	5.03
#FFFFFF	4.18	1.00	21.00	21.00
#000000	5.03	21.00	1.00	1.00
##000000	5.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E83B1

Deuteranopia (green-blind)

#5E77AE

Tritanopia (blue-blind)

#008E92

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #3783af;
/* rgb */ color: rgb(55, 131, 175);
/* oklch */ color: oklch(58.2% 0.100 237.5);

Tailwind

colors: {
  custom: {
    50: '#7ca7c7',
    500: '#3783af',
    950: '#000000',
  },
}

SCSS

$custom: #3783af;
$custom-light: #7ca7c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3783af",
  "rgb": {
    "r": 55,
    "g": 131,
    "b": 175
  },
  "hsl": {
    "h": 202,
    "s": 52.174,
    "l": 45.098
  },
  "oklch": {
    "l": 0.582,
    "c": 0.10037,
    "h": 237.5
  },
  "luminance": 0.2014
}

Semantic roles & 50–950 ramp

primary

#3783AF

secondary

#C3987F

accent

#814CDC

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #3783AF

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

Preview Lab → · Contrast checker → · Palette generator →