#3789C0#3789C0

#3789C0 is a mid, moderate cyan. Relative luminance 0.225; OKLCH L 60.5% C 0.115 H 241.7°. Best body text is #000000 at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#3789C0
RGB	rgb(55, 137, 192)
HSL	hsl(204, 55%, 48%)
HSV	hsv(204, 71%, 75%)
CMYK	cmyk(71.4%, 28.6%, 0%, 24.7%)
CIE-LAB	lab(54.56, -6.59, -35.82)
CIE-LCH	lch(54.56, 36.42, 259.58°)
OKLab	oklab(60.49% -0.0544 -0.1012)
OKLCH	oklch(60.49% 0.115 241.7)
XYZ	xyz(20.0320, 22.5071, 53.1475)
Luminance	0.2251 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3789C0 #C06E37

analogous

#37C0B2 #3789C0 #3744C0

triadic

#3789C0 #C03789 #89C037

tetradic

#3789C0 #B237C0 #C06E37 #44C037

square

#3789C0 #B237C0 #C06E37 #44C037

split-complementary

#3789C0 #C03744 #C0B237

monochromatic

#1C4561 #296790 #3789C0 #62A5D2 #92C0E0

Accessibility & contrast

On white

3.82

#3789C0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.50

#3789C0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3789C0

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3789C0	#FFFFFF	#000000	##000000
##3789C0	1.00	3.82	5.50	5.50
#FFFFFF	3.82	1.00	21.00	21.00
#000000	5.50	21.00	1.00	1.00
##000000	5.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#708AC2

Deuteranopia (green-blind)

#5D7DBF

Tritanopia (blue-blind)

#00979C

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #3789c0;
/* rgb */ color: rgb(55, 137, 192);
/* oklch */ color: oklch(60.5% 0.115 241.7);

Tailwind

colors: {
  custom: {
    50: '#7fabd3',
    500: '#3789c0',
    950: '#000000',
  },
}

SCSS

$custom: #3789c0;
$custom-light: #7fabd3;
$custom-dark: #000000;

JSON

{
  "hex": "#3789c0",
  "rgb": {
    "r": 55,
    "g": 137,
    "b": 192
  },
  "hsl": {
    "h": 204.088,
    "s": 55.466,
    "l": 48.431
  },
  "oklch": {
    "l": 0.60489,
    "c": 0.11487,
    "h": 241.7
  },
  "luminance": 0.22509
}

Semantic roles & 50–950 ramp

primary

#3789C0

secondary

#CBA388

accent

#8549DF

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #3789C0

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

Preview Lab → · Contrast checker → · Palette generator →