#3685B2#3685B2

#3685B2 is a mid, moderate cyan. Relative luminance 0.208; OKLCH L 58.8% C 0.103 H 237.3°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#3685B2
RGB	rgb(54, 133, 178)
HSL	hsl(202, 53%, 45%)
HSV	hsv(202, 70%, 70%)
CMYK	cmyk(69.7%, 25.3%, 0%, 30.2%)
CIE-LAB	lab(52.70, -9.29, -30.72)
CIE-LCH	lch(52.70, 32.10, 253.17°)
OKLab	oklab(58.79% -0.0556 -0.0865)
OKLCH	oklch(58.79% 0.103 237.3)
XYZ	xyz(17.9416, 20.7717, 45.1746)
Luminance	0.2077 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3685B2 #B26336

analogous

#36B2A1 #3685B2 #3647B2

triadic

#3685B2 #B23685 #85B236

tetradic

#3685B2 #A136B2 #B26336 #47B236

square

#3685B2 #A136B2 #B26336 #47B236

split-complementary

#3685B2 #B23647 #B2A136

monochromatic

#1A3F54 #286283 #3685B2 #59A2CD #88BDDB

Accessibility & contrast

On white

4.07

#3685B2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.15

#3685B2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3685B2

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3685B2	#FFFFFF	#000000	##000000
##3685B2	1.00	4.07	5.15	5.15
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.15	21.00	1.00	1.00
##000000	5.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7085B4

Deuteranopia (green-blind)

#5F78B1

Tritanopia (blue-blind)

#009194

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #3685b2;
/* rgb */ color: rgb(54, 133, 178);
/* oklch */ color: oklch(58.8% 0.103 237.3);

Tailwind

colors: {
  custom: {
    50: '#7ca8c9',
    500: '#3685b2',
    950: '#000000',
  },
}

SCSS

$custom: #3685b2;
$custom-light: #7ca8c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3685b2",
  "rgb": {
    "r": 54,
    "g": 133,
    "b": 178
  },
  "hsl": {
    "h": 201.774,
    "s": 53.448,
    "l": 45.49
  },
  "oklch": {
    "l": 0.58795,
    "c": 0.10279,
    "h": 237.3
  },
  "luminance": 0.20774
}

Semantic roles & 50–950 ramp

primary

#3685B2

secondary

#C5987F

accent

#804BDD

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #3685B2

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

Preview Lab → · Contrast checker → · Palette generator →