#3789AA#3789AA

#3789AA is a mid, moderate cyan. Relative luminance 0.216; OKLCH L 59.4% C 0.093 H 228.1°. Best body text is #000000 at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#3789AA
RGB	rgb(55, 137, 170)
HSL	hsl(197, 51%, 44%)
HSV	hsv(197, 68%, 67%)
CMYK	cmyk(67.6%, 19.4%, 0%, 33.3%)
CIE-LAB	lab(53.60, -14.09, -24.72)
CIE-LCH	lch(53.60, 28.45, 240.31°)
OKLab	oklab(59.41% -0.062 -0.0692)
OKLCH	oklch(59.41% 0.093 228.1)
XYZ	xyz(17.7740, 21.6039, 41.2557)
Luminance	0.2161 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3789AA #AA5837

analogous

#37AA92 #3789AA #3750AA

triadic

#3789AA #AA3789 #89AA37

tetradic

#3789AA #9237AA #AA5837 #50AA37

square

#3789AA #9237AA #AA5837 #50AA37

split-complementary

#3789AA #AA3750 #AA9237

monochromatic

#193E4E #28647C #3789AA #56A7C8 #84BFD7

Accessibility & contrast

On white

3.95

#3789AA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.32

#3789AA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3789AA

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3789AA	#FFFFFF	#000000	##000000
##3789AA	1.00	3.95	5.32	5.32
#FFFFFF	3.95	1.00	21.00	21.00
#000000	5.32	21.00	1.00	1.00
##000000	5.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7887AC

Deuteranopia (green-blind)

#687BAA

Tritanopia (blue-blind)

#009294

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3789aa;
/* rgb */ color: rgb(55, 137, 170);
/* oklch */ color: oklch(59.4% 0.093 228.1);

Tailwind

colors: {
  custom: {
    50: '#7babc3',
    500: '#3789aa',
    950: '#000000',
  },
}

SCSS

$custom: #3789aa;
$custom-light: #7babc3;
$custom-dark: #000000;

JSON

{
  "hex": "#3789aa",
  "rgb": {
    "r": 55,
    "g": 137,
    "b": 170
  },
  "hsl": {
    "h": 197.217,
    "s": 51.111,
    "l": 44.118
  },
  "oklch": {
    "l": 0.59413,
    "c": 0.09291,
    "h": 228.1
  },
  "luminance": 0.21606
}

Semantic roles & 50–950 ramp

primary

#3789AA

secondary

#C1907C

accent

#764DDB

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #3789AA

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

Preview Lab → · Contrast checker → · Palette generator →