#3789C4#3789C4

#3789C4 is a mid, moderate cyan. Relative luminance 0.227; OKLCH L 60.7% C 0.119 H 243.6°. Best body text is #000000 at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#3789C4
RGB	rgb(55, 137, 196)
HSL	hsl(205, 56%, 49%)
HSV	hsv(205, 72%, 77%)
CMYK	cmyk(71.9%, 30.1%, 0%, 23.1%)
CIE-LAB	lab(54.75, -5.19, -37.80)
CIE-LCH	lch(54.75, 38.15, 262.18°)
OKLab	oklab(60.7% -0.0531 -0.1069)
OKLCH	oklch(60.7% 0.119 243.6)
XYZ	xyz(20.4812, 22.6868, 55.5134)
Luminance	0.2269 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3789C4 #C47237

analogous

#37C4B8 #3789C4 #3743C4

triadic

#3789C4 #C43789 #89C437

tetradic

#3789C4 #B837C4 #C47237 #43C437

square

#3789C4 #B837C4 #C47237 #43C437

split-complementary

#3789C4 #C43743 #C4B837

monochromatic

#1C4664 #2A6894 #3789C4 #65A5D4 #94C1E1

Accessibility & contrast

On white

3.79

#3789C4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.54

#3789C4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3789C4

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3789C4	#FFFFFF	#000000	##000000
##3789C4	1.00	3.79	5.54	5.54
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.54	21.00	1.00	1.00
##000000	5.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E8AC7

Deuteranopia (green-blind)

#5B7DC3

Tritanopia (blue-blind)

#00979E

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #3789c4;
/* rgb */ color: rgb(55, 137, 196);
/* oklch */ color: oklch(60.7% 0.119 243.6);

Tailwind

colors: {
  custom: {
    50: '#7fabd6',
    500: '#3789c4',
    950: '#000000',
  },
}

SCSS

$custom: #3789c4;
$custom-light: #7fabd6;
$custom-dark: #000000;

JSON

{
  "hex": "#3789c4",
  "rgb": {
    "r": 55,
    "g": 137,
    "b": 196
  },
  "hsl": {
    "h": 205.106,
    "s": 56.175,
    "l": 49.216
  },
  "oklch": {
    "l": 0.60699,
    "c": 0.1194,
    "h": 243.6
  },
  "luminance": 0.22689
}

Semantic roles & 50–950 ramp

primary

#3789C4

secondary

#CCA68B

accent

#8848DF

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0B1014

muted

#7C7F83

Preview Lab

Preview with #3789C4

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

Preview Lab → · Contrast checker → · Palette generator →