#3685BB#3685BB

#3685BB is a mid, moderate cyan. Relative luminance 0.211; OKLCH L 59.3% C 0.113 H 242.2°. Best body text is #000000 at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#3685BB
RGB	rgb(54, 133, 187)
HSL	hsl(204, 55%, 47%)
HSV	hsv(204, 71%, 73%)
CMYK	cmyk(71.1%, 28.9%, 0%, 26.7%)
CIE-LAB	lab(53.11, -6.17, -35.24)
CIE-LCH	lch(53.11, 35.78, 260.07°)
OKLab	oklab(59.25% -0.0526 -0.0996)
OKLCH	oklch(59.25% 0.113 242.2)
XYZ	xyz(18.8750, 21.1451, 50.0907)
Luminance	0.2115 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3685BB #BB6C36

analogous

#36BBAF #3685BB #3642BB

triadic

#3685BB #BB3685 #85BB36

tetradic

#3685BB #AF36BB #BB6C36 #42BB36

square

#3685BB #AF36BB #BB6C36 #42BB36

split-complementary

#3685BB #BB3642 #BBAF36

monochromatic

#1B415C #28638C #3685BB #5EA2D0 #8DBDDE

Accessibility & contrast

On white

4.02

#3685BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.23

#3685BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3685BB

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3685BB	#FFFFFF	#000000	##000000
##3685BB	1.00	4.02	5.23	5.23
#FFFFFF	4.02	1.00	21.00	21.00
#000000	5.23	21.00	1.00	1.00
##000000	5.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C86BD

Deuteranopia (green-blind)

#5A79BA

Tritanopia (blue-blind)

#009298

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3685bb;
/* rgb */ color: rgb(54, 133, 187);
/* oklch */ color: oklch(59.3% 0.113 242.2);

Tailwind

colors: {
  custom: {
    50: '#7da8cf',
    500: '#3685bb',
    950: '#000000',
  },
}

SCSS

$custom: #3685bb;
$custom-light: #7da8cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3685bb",
  "rgb": {
    "r": 54,
    "g": 133,
    "b": 187
  },
  "hsl": {
    "h": 204.361,
    "s": 55.187,
    "l": 47.255
  },
  "oklch": {
    "l": 0.59254,
    "c": 0.1126,
    "h": 242.2
  },
  "luminance": 0.21147
}

Semantic roles & 50–950 ramp

primary

#3685BB

secondary

#C9A084

accent

#8649DF

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3685BB

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

Preview Lab → · Contrast checker → · Palette generator →