#3783BD#3783BD

#3783BD is a mid, moderate cyan. Relative luminance 0.207; OKLCH L 58.9% C 0.116 H 244.8°. Best body text is #000000 at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#3783BD
RGB	rgb(55, 131, 189)
HSL	hsl(206, 55%, 48%)
HSV	hsv(206, 71%, 74%)
CMYK	cmyk(70.9%, 30.7%, 0%, 25.9%)
CIE-LAB	lab(52.64, -4.15, -37.12)
CIE-LCH	lch(52.64, 37.35, 263.62°)
OKLab	oklab(58.92% -0.0494 -0.105)
OKLCH	oklch(58.92% 0.116 244.8)
XYZ	xyz(18.8736, 20.7169, 51.1383)
Luminance	0.2072 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3783BD #BD7137

analogous

#37BDB4 #3783BD #3740BD

triadic

#3783BD #BD3783 #83BD37

tetradic

#3783BD #B437BD #BD7137 #40BD37

square

#3783BD #B437BD #BD7137 #40BD37

split-complementary

#3783BD #BD3740 #BDB437

monochromatic

#1B415E #29628E #3783BD #60A0D1 #90BCDF

Accessibility & contrast

On white

4.08

#3783BD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.14

#3783BD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3783BD

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3783BD	#FFFFFF	#000000	##000000
##3783BD	1.00	4.08	5.14	5.14
#FFFFFF	4.08	1.00	21.00	21.00
#000000	5.14	21.00	1.00	1.00
##000000	5.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6985C0

Deuteranopia (green-blind)

#5678BC

Tritanopia (blue-blind)

#009198

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #3783bd;
/* rgb */ color: rgb(55, 131, 189);
/* oklch */ color: oklch(58.9% 0.116 244.8);

Tailwind

colors: {
  custom: {
    50: '#7ea6d1',
    500: '#3783bd',
    950: '#000000',
  },
}

SCSS

$custom: #3783bd;
$custom-light: #7ea6d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3783bd",
  "rgb": {
    "r": 55,
    "g": 131,
    "b": 189
  },
  "hsl": {
    "h": 205.97,
    "s": 54.918,
    "l": 47.843
  },
  "oklch": {
    "l": 0.58923,
    "c": 0.11607,
    "h": 244.8
  },
  "luminance": 0.20719
}

Semantic roles & 50–950 ramp

primary

#3783BD

secondary

#C9A386

accent

#8A4ADE

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3783BD

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

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