#3784BA#3784BA

#3784BA is a mid, moderate cyan. Relative luminance 0.209; OKLCH L 59.0% C 0.112 H 242.7°. Best body text is #000000 at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#3784BA
RGB	rgb(55, 132, 186)
HSL	hsl(205, 54%, 47%)
HSV	hsv(205, 70%, 73%)
CMYK	cmyk(70.4%, 29%, 0%, 27.1%)
CIE-LAB	lab(52.79, -5.79, -35.16)
CIE-LCH	lch(52.79, 35.63, 260.65°)
OKLab	oklab(59% -0.0513 -0.0993)
OKLCH	oklch(59% 0.112 242.7)
XYZ	xyz(18.6863, 20.8579, 49.4860)
Luminance	0.2086 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3784BA #BA6D37

analogous

#37BAAF #3784BA #3742BA

triadic

#3784BA #BA3784 #84BA37

tetradic

#3784BA #AF37BA #BA6D37 #42BA37

square

#3784BA #AF37BA #BA6D37 #42BA37

split-complementary

#3784BA #BA3742 #BAAF37

monochromatic

#1B415C #29628B #3784BA #5FA1D0 #8EBDDE

Accessibility & contrast

On white

4.06

#3784BA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.17

#3784BA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3784BA

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3784BA	#FFFFFF	#000000	##000000
##3784BA	1.00	4.06	5.17	5.17
#FFFFFF	4.06	1.00	21.00	21.00
#000000	5.17	21.00	1.00	1.00
##000000	5.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B85BC

Deuteranopia (green-blind)

#5978B9

Tritanopia (blue-blind)

#009197

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #3784ba;
/* rgb */ color: rgb(55, 132, 186);
/* oklch */ color: oklch(59.0% 0.112 242.7);

Tailwind

colors: {
  custom: {
    50: '#7da7cf',
    500: '#3784ba',
    950: '#000000',
  },
}

SCSS

$custom: #3784ba;
$custom-light: #7da7cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3784ba",
  "rgb": {
    "r": 55,
    "g": 132,
    "b": 186
  },
  "hsl": {
    "h": 204.733,
    "s": 54.357,
    "l": 47.255
  },
  "oklch": {
    "l": 0.58999,
    "c": 0.11179,
    "h": 242.7
  },
  "luminance": 0.2086
}

Semantic roles & 50–950 ramp

primary

#3784BA

secondary

#C8A085

accent

#874ADE

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #3784BA

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

Preview Lab → · Contrast checker → · Palette generator →