#3684B2#3684B2

#3684B2 is a mid, moderate cyan. Relative luminance 0.205; OKLCH L 58.6% C 0.103 H 238.2°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#3684B2
RGB	rgb(54, 132, 178)
HSL	hsl(202, 53%, 45%)
HSV	hsv(202, 70%, 70%)
CMYK	cmyk(69.7%, 25.8%, 0%, 30.2%)
CIE-LAB	lab(52.40, -8.72, -31.19)
CIE-LCH	lch(52.40, 32.39, 254.38°)
OKLab	oklab(58.56% -0.0545 -0.0878)
OKLCH	oklch(58.56% 0.103 238.2)
XYZ	xyz(17.8053, 20.4992, 45.1292)
Luminance	0.2050 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3684B2 #B26436

analogous

#36B2A2 #3684B2 #3646B2

triadic

#3684B2 #B23684 #84B236

tetradic

#3684B2 #A236B2 #B26436 #46B236

square

#3684B2 #A236B2 #B26436 #46B236

split-complementary

#3684B2 #B23646 #B2A236

monochromatic

#1A3E54 #286183 #3684B2 #59A2CD #88BCDB

Accessibility & contrast

On white

4.12

#3684B2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.10

#3684B2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3684B2

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3684B2	#FFFFFF	#000000	##000000
##3684B2	1.00	4.12	5.10	5.10
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.10	21.00	1.00	1.00
##000000	5.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E84B4

Deuteranopia (green-blind)

#5D78B1

Tritanopia (blue-blind)

#009094

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #3684b2;
/* rgb */ color: rgb(54, 132, 178);
/* oklch */ color: oklch(58.6% 0.103 238.2);

Tailwind

colors: {
  custom: {
    50: '#7ca7c9',
    500: '#3684b2',
    950: '#000000',
  },
}

SCSS

$custom: #3684b2;
$custom-light: #7ca7c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3684b2",
  "rgb": {
    "r": 54,
    "g": 132,
    "b": 178
  },
  "hsl": {
    "h": 202.258,
    "s": 53.448,
    "l": 45.49
  },
  "oklch": {
    "l": 0.58556,
    "c": 0.10339,
    "h": 238.2
  },
  "luminance": 0.20501
}

Semantic roles & 50–950 ramp

primary

#3684B2

secondary

#C5997F

accent

#814BDD

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #3684B2

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

Preview Lab → · Contrast checker → · Palette generator →