#3685B7#3685B7

#3685B7 is a mid, moderate cyan. Relative luminance 0.210; OKLCH L 59.0% C 0.108 H 240.1°. Best body text is #000000 at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#3685B7
RGB	rgb(54, 133, 183)
HSL	hsl(203, 54%, 46%)
HSV	hsv(203, 70%, 72%)
CMYK	cmyk(70.5%, 27.3%, 0%, 28.2%)
CIE-LAB	lab(52.92, -7.56, -33.24)
CIE-LCH	lch(52.92, 34.09, 257.18°)
OKLab	oklab(59.05% -0.0539 -0.0938)
OKLCH	oklch(59.05% 0.108 240.1)
XYZ	xyz(18.4528, 20.9762, 47.8669)
Luminance	0.2098 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3685B7 #B76836

analogous

#36B7A9 #3685B7 #3645B7

triadic

#3685B7 #B73685 #85B736

tetradic

#3685B7 #A936B7 #B76836 #45B736

square

#3685B7 #A936B7 #B76836 #45B736

split-complementary

#3685B7 #B73645 #B7A936

monochromatic

#1A4058 #286388 #3685B7 #5BA2CF #8BBDDD

Accessibility & contrast

On white

4.04

#3685B7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.20

#3685B7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3685B7

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3685B7	#FFFFFF	#000000	##000000
##3685B7	1.00	4.04	5.20	5.20
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.20	21.00	1.00	1.00
##000000	5.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E85B9

Deuteranopia (green-blind)

#5C79B6

Tritanopia (blue-blind)

#009296

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #3685b7;
/* rgb */ color: rgb(54, 133, 183);
/* oklch */ color: oklch(59.0% 0.108 240.1);

Tailwind

colors: {
  custom: {
    50: '#7da8cd',
    500: '#3685b7',
    950: '#000000',
  },
}

SCSS

$custom: #3685b7;
$custom-light: #7da8cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3685b7",
  "rgb": {
    "r": 54,
    "g": 133,
    "b": 183
  },
  "hsl": {
    "h": 203.256,
    "s": 54.43,
    "l": 46.471
  },
  "oklch": {
    "l": 0.59048,
    "c": 0.10814,
    "h": 240.1
  },
  "luminance": 0.20978
}

Semantic roles & 50–950 ramp

primary

#3685B7

secondary

#C79D82

accent

#834ADE

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #3685B7

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

Preview Lab → · Contrast checker → · Palette generator →