#3789AF#3789AF

#3789AF is a mid, moderate cyan. Relative luminance 0.218; OKLCH L 59.6% C 0.097 H 231.8°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#3789AF
RGB	rgb(55, 137, 175)
HSL	hsl(199, 52%, 45%)
HSV	hsv(199, 69%, 69%)
CMYK	cmyk(68.6%, 21.7%, 0%, 31.4%)
CIE-LAB	lab(53.81, -12.42, -27.27)
CIE-LCH	lch(53.81, 29.97, 245.51°)
OKLab	oklab(59.65% -0.0602 -0.0765)
OKLCH	oklch(59.65% 0.097 231.8)
XYZ	xyz(18.2560, 21.7967, 43.7942)
Luminance	0.2180 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3789AF #AF5D37

analogous

#37AF99 #3789AF #374DAF

triadic

#3789AF #AF3789 #89AF37

tetradic

#3789AF #9937AF #AF5D37 #4DAF37

square

#3789AF #9937AF #AF5D37 #4DAF37

split-complementary

#3789AF #AF374D #AF9937

monochromatic

#1A4052 #286580 #3789AF #59A7CB #87BFD9

Accessibility & contrast

On white

3.92

#3789AF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#3789AF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3789AF

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3789AF	#FFFFFF	#000000	##000000
##3789AF	1.00	3.92	5.36	5.36
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.36	21.00	1.00	1.00
##000000	5.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7687B1

Deuteranopia (green-blind)

#667BAE

Tritanopia (blue-blind)

#009396

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #3789af;
/* rgb */ color: rgb(55, 137, 175);
/* oklch */ color: oklch(59.6% 0.097 231.8);

Tailwind

colors: {
  custom: {
    50: '#7cabc7',
    500: '#3789af',
    950: '#000000',
  },
}

SCSS

$custom: #3789af;
$custom-light: #7cabc7;
$custom-dark: #000000;

JSON

{
  "hex": "#3789af",
  "rgb": {
    "r": 55,
    "g": 137,
    "b": 175
  },
  "hsl": {
    "h": 199,
    "s": 52.174,
    "l": 45.098
  },
  "oklch": {
    "l": 0.59646,
    "c": 0.09732,
    "h": 231.8
  },
  "luminance": 0.21799
}

Semantic roles & 50–950 ramp

primary

#3789AF

secondary

#C3947F

accent

#7A4CDC

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3789AF

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

Preview Lab → · Contrast checker → · Palette generator →