#3789AD#3789AD

#3789AD is a mid, moderate cyan. Relative luminance 0.217; OKLCH L 59.6% C 0.096 H 230.4°. Best body text is #000000 at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#3789AD
RGB	rgb(55, 137, 173)
HSL	hsl(198, 52%, 45%)
HSV	hsv(198, 68%, 68%)
CMYK	cmyk(68.2%, 20.8%, 0%, 32.2%)
CIE-LAB	lab(53.73, -13.09, -26.25)
CIE-LCH	lch(53.73, 29.33, 243.49°)
OKLab	oklab(59.55% -0.0609 -0.0736)
OKLCH	oklch(59.55% 0.096 230.4)
XYZ	xyz(18.0610, 21.7187, 42.7673)
Luminance	0.2172 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3789AD #AD5B37

analogous

#37AD96 #3789AD #374EAD

triadic

#3789AD #AD3789 #89AD37

tetradic

#3789AD #9637AD #AD5B37 #4EAD37

square

#3789AD #9637AD #AD5B37 #4EAD37

split-complementary

#3789AD #AD374E #AD9637

monochromatic

#193F50 #28647F #3789AD #57A7CA #86BFD8

Accessibility & contrast

On white

3.93

#3789AD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.34

#3789AD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3789AD

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3789AD	#FFFFFF	#000000	##000000
##3789AD	1.00	3.93	5.34	5.34
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.34	21.00	1.00	1.00
##000000	5.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7787AF

Deuteranopia (green-blind)

#667BAC

Tritanopia (blue-blind)

#009395

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3789ad;
/* rgb */ color: rgb(55, 137, 173);
/* oklch */ color: oklch(59.6% 0.096 230.4);

Tailwind

colors: {
  custom: {
    50: '#7cabc5',
    500: '#3789ad',
    950: '#000000',
  },
}

SCSS

$custom: #3789ad;
$custom-light: #7cabc5;
$custom-dark: #000000;

JSON

{
  "hex": "#3789ad",
  "rgb": {
    "r": 55,
    "g": 137,
    "b": 173
  },
  "hsl": {
    "h": 198.305,
    "s": 51.754,
    "l": 44.706
  },
  "oklch": {
    "l": 0.59552,
    "c": 0.09551,
    "h": 230.4
  },
  "luminance": 0.21721
}

Semantic roles & 50–950 ramp

primary

#3789AD

secondary

#C2927D

accent

#784DDB

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3789AD

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

Preview Lab → · Contrast checker → · Palette generator →