#3784AB#3784AB

#3784AB is a mid, moderate cyan. Relative luminance 0.203; OKLCH L 58.2% C 0.096 H 233.9°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#3784AB
RGB	rgb(55, 132, 171)
HSL	hsl(200, 51%, 44%)
HSV	hsv(200, 68%, 67%)
CMYK	cmyk(67.8%, 22.8%, 0%, 32.9%)
CIE-LAB	lab(52.12, -10.96, -27.58)
CIE-LCH	lch(52.12, 29.68, 248.34°)
OKLab	oklab(58.25% -0.0564 -0.0774)
OKLCH	oklch(58.25% 0.096 233.9)
XYZ	xyz(17.1746, 20.2532, 41.5243)
Luminance	0.2026 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3784AB #AB5E37

analogous

#37AB98 #3784AB #374AAB

triadic

#3784AB #AB3784 #84AB37

tetradic

#3784AB #9837AB #AB5E37 #4AAB37

square

#3784AB #9837AB #AB5E37 #4AAB37

split-complementary

#3784AB #AB374A #AB9837

monochromatic

#193D4E #28607D #3784AB #56A2C9 #85BCD8

Accessibility & contrast

On white

4.16

#3784AB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.05

#3784AB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3784AB

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3784AB	#FFFFFF	#000000	##000000
##3784AB	1.00	4.16	5.05	5.05
#FFFFFF	4.16	1.00	21.00	21.00
#000000	5.05	21.00	1.00	1.00
##000000	5.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7183AD

Deuteranopia (green-blind)

#6177AA

Tritanopia (blue-blind)

#008E91

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #3784ab;
/* rgb */ color: rgb(55, 132, 171);
/* oklch */ color: oklch(58.2% 0.096 233.9);

Tailwind

colors: {
  custom: {
    50: '#7ba7c4',
    500: '#3784ab',
    950: '#000000',
  },
}

SCSS

$custom: #3784ab;
$custom-light: #7ba7c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3784ab",
  "rgb": {
    "r": 55,
    "g": 132,
    "b": 171
  },
  "hsl": {
    "h": 200.172,
    "s": 51.327,
    "l": 44.314
  },
  "oklch": {
    "l": 0.58245,
    "c": 0.09578,
    "h": 233.9
  },
  "luminance": 0.20255
}

Semantic roles & 50–950 ramp

primary

#3784AB

secondary

#C1947C

accent

#7D4DDB

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #3784AB

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

Preview Lab → · Contrast checker → · Palette generator →