#3685B5#3685B5

#3685B5 is a mid, moderate cyan. Relative luminance 0.209; OKLCH L 58.9% C 0.106 H 239.0°. Best body text is #000000 at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#3685B5
RGB	rgb(54, 133, 181)
HSL	hsl(203, 54%, 46%)
HSV	hsv(203, 70%, 71%)
CMYK	cmyk(70.2%, 26.5%, 0%, 29%)
CIE-LAB	lab(52.83, -8.26, -32.24)
CIE-LCH	lch(52.83, 33.28, 255.63°)
OKLab	oklab(58.95% -0.0545 -0.0908)
OKLCH	oklch(58.95% 0.106 239)
XYZ	xyz(18.2461, 20.8935, 46.7783)
Luminance	0.2090 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3685B5 #B56636

analogous

#36B5A5 #3685B5 #3645B5

triadic

#3685B5 #B53685 #85B536

tetradic

#3685B5 #A536B5 #B56636 #45B536

square

#3685B5 #A536B5 #B56636 #45B536

split-complementary

#3685B5 #B53645 #B5A536

monochromatic

#1A4057 #286286 #3685B5 #5AA2CE #89BDDC

Accessibility & contrast

On white

4.05

#3685B5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.18

#3685B5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3685B5

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3685B5	#FFFFFF	#000000	##000000
##3685B5	1.00	4.05	5.18	5.18
#FFFFFF	4.05	1.00	21.00	21.00
#000000	5.18	21.00	1.00	1.00
##000000	5.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F85B7

Deuteranopia (green-blind)

#5D79B4

Tritanopia (blue-blind)

#009195

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #3685b5;
/* rgb */ color: rgb(54, 133, 181);
/* oklch */ color: oklch(58.9% 0.106 239.0);

Tailwind

colors: {
  custom: {
    50: '#7ca8cb',
    500: '#3685b5',
    950: '#000000',
  },
}

SCSS

$custom: #3685b5;
$custom-light: #7ca8cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3685b5",
  "rgb": {
    "r": 54,
    "g": 133,
    "b": 181
  },
  "hsl": {
    "h": 202.677,
    "s": 54.043,
    "l": 46.078
  },
  "oklch": {
    "l": 0.58946,
    "c": 0.10596,
    "h": 239
  },
  "luminance": 0.20896
}

Semantic roles & 50–950 ramp

primary

#3685B5

secondary

#C69B81

accent

#824ADD

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #3685B5

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

Preview Lab → · Contrast checker → · Palette generator →