#3784B2#3784B2

#3784B2 is a mid, moderate cyan. Relative luminance 0.205; OKLCH L 58.6% C 0.103 H 238.4°. Best body text is #000000 at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#3784B2
RGB	rgb(55, 132, 178)
HSL	hsl(202, 53%, 46%)
HSV	hsv(202, 69%, 70%)
CMYK	cmyk(69.1%, 25.8%, 0%, 30.2%)
CIE-LAB	lab(52.43, -8.57, -31.14)
CIE-LCH	lch(52.43, 32.30, 254.62°)
OKLab	oklab(58.59% -0.0539 -0.0877)
OKLCH	oklch(58.59% 0.103 238.4)
XYZ	xyz(17.8596, 20.5272, 45.1318)
Luminance	0.2053 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3784B2 #B26537

analogous

#37B2A2 #3784B2 #3746B2

triadic

#3784B2 #B23784 #84B237

tetradic

#3784B2 #A237B2 #B26537 #46B237

square

#3784B2 #A237B2 #B26537 #46B237

split-complementary

#3784B2 #B23746 #B2A237

monochromatic

#1A3F54 #296183 #3784B2 #5AA1CC #89BCDB

Accessibility & contrast

On white

4.11

#3784B2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.11

#3784B2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3784B2

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3784B2	#FFFFFF	#000000	##000000
##3784B2	1.00	4.11	5.11	5.11
#FFFFFF	4.11	1.00	21.00	21.00
#000000	5.11	21.00	1.00	1.00
##000000	5.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F84B4

Deuteranopia (green-blind)

#5E78B1

Tritanopia (blue-blind)

#009094

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #3784b2;
/* rgb */ color: rgb(55, 132, 178);
/* oklch */ color: oklch(58.6% 0.103 238.4);

Tailwind

colors: {
  custom: {
    50: '#7ca7c9',
    500: '#3784b2',
    950: '#000000',
  },
}

SCSS

$custom: #3784b2;
$custom-light: #7ca7c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3784b2",
  "rgb": {
    "r": 55,
    "g": 132,
    "b": 178
  },
  "hsl": {
    "h": 202.439,
    "s": 52.79,
    "l": 45.686
  },
  "oklch": {
    "l": 0.58589,
    "c": 0.10294,
    "h": 238.4
  },
  "luminance": 0.20529
}

Semantic roles & 50–950 ramp

primary

#3784B2

secondary

#C59A80

accent

#824CDC

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #3784B2

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

Preview Lab → · Contrast checker → · Palette generator →