#3685B4#3685B4

#3685B4 is a mid, moderate cyan. Relative luminance 0.209; OKLCH L 58.9% C 0.105 H 238.4°. Best body text is #000000 at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#3685B4
RGB	rgb(54, 133, 180)
HSL	hsl(202, 54%, 46%)
HSV	hsv(202, 70%, 71%)
CMYK	cmyk(70%, 26.1%, 0%, 29.4%)
CIE-LAB	lab(52.79, -8.60, -31.73)
CIE-LCH	lch(52.79, 32.88, 254.83°)
OKLab	oklab(58.9% -0.0549 -0.0894)
OKLCH	oklch(58.9% 0.105 238.4)
XYZ	xyz(18.1439, 20.8526, 46.2399)
Luminance	0.2086 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3685B4 #B46536

analogous

#36B4A4 #3685B4 #3646B4

triadic

#3685B4 #B43685 #85B436

tetradic

#3685B4 #A436B4 #B46536 #46B436

square

#3685B4 #A436B4 #B46536 #46B436

split-complementary

#3685B4 #B43646 #B4A436

monochromatic

#1A3F56 #286285 #3685B4 #5AA2CD #89BDDC

Accessibility & contrast

On white

4.06

#3685B4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.17

#3685B4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3685B4

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3685B4	#FFFFFF	#000000	##000000
##3685B4	1.00	4.06	5.17	5.17
#FFFFFF	4.06	1.00	21.00	21.00
#000000	5.17	21.00	1.00	1.00
##000000	5.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F85B6

Deuteranopia (green-blind)

#5E79B3

Tritanopia (blue-blind)

#009195

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #3685b4;
/* rgb */ color: rgb(54, 133, 180);
/* oklch */ color: oklch(58.9% 0.105 238.4);

Tailwind

colors: {
  custom: {
    50: '#7ca8ca',
    500: '#3685b4',
    950: '#000000',
  },
}

SCSS

$custom: #3685b4;
$custom-light: #7ca8ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3685b4",
  "rgb": {
    "r": 54,
    "g": 133,
    "b": 180
  },
  "hsl": {
    "h": 202.381,
    "s": 53.846,
    "l": 45.882
  },
  "oklch": {
    "l": 0.58895,
    "c": 0.1049,
    "h": 238.4
  },
  "luminance": 0.20855
}

Semantic roles & 50–950 ramp

primary

#3685B4

secondary

#C69A80

accent

#814BDD

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #3685B4

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

Preview Lab → · Contrast checker → · Palette generator →