#3789C5#3789C5

#3789C5 is a mid, vivid cyan. Relative luminance 0.227; OKLCH L 60.8% C 0.121 H 244.0°. Best body text is #000000 at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#3789C5
RGB	rgb(55, 137, 197)
HSL	hsl(205, 56%, 49%)
HSV	hsv(205, 72%, 77%)
CMYK	cmyk(72.1%, 30.5%, 0%, 22.7%)
CIE-LAB	lab(54.80, -4.84, -38.29)
CIE-LCH	lch(54.80, 38.59, 262.80°)
OKLab	oklab(60.75% -0.0528 -0.1084)
OKLCH	oklch(60.75% 0.121 244)
XYZ	xyz(20.5954, 22.7324, 56.1149)
Luminance	0.2273 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3789C5 #C57337

analogous

#37C5BA #3789C5 #3742C5

triadic

#3789C5 #C53789 #89C537

tetradic

#3789C5 #BA37C5 #C57337 #42C537

square

#3789C5 #BA37C5 #C57337 #42C537

split-complementary

#3789C5 #C53742 #C5BA37

monochromatic

#1C4665 #2A6895 #3789C5 #65A5D4 #95C1E1

Accessibility & contrast

On white

3.79

#3789C5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.55

#3789C5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3789C5

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3789C5	#FFFFFF	#000000	##000000
##3789C5	1.00	3.79	5.55	5.55
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.55	21.00	1.00	1.00
##000000	5.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E8BC8

Deuteranopia (green-blind)

#5A7DC4

Tritanopia (blue-blind)

#00989E

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #3789c5;
/* rgb */ color: rgb(55, 137, 197);
/* oklch */ color: oklch(60.8% 0.121 244.0);

Tailwind

colors: {
  custom: {
    50: '#7fabd7',
    500: '#3789c5',
    950: '#000000',
  },
}

SCSS

$custom: #3789c5;
$custom-light: #7fabd7;
$custom-dark: #000000;

JSON

{
  "hex": "#3789c5",
  "rgb": {
    "r": 55,
    "g": 137,
    "b": 197
  },
  "hsl": {
    "h": 205.352,
    "s": 56.349,
    "l": 49.412
  },
  "oklch": {
    "l": 0.60752,
    "c": 0.12055,
    "h": 244
  },
  "luminance": 0.22735
}

Semantic roles & 50–950 ramp

primary

#3789C5

secondary

#CDA78B

accent

#8848E0

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0B1014

muted

#7C7F83

Preview Lab

Preview with #3789C5

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

Preview Lab → · Contrast checker → · Palette generator →