#3675B8#3675B8

#3675B8 is a mid, vivid cyan. Relative luminance 0.170; OKLCH L 55.4% C 0.123 H 252.2°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#3675B8
RGB	rgb(54, 117, 184)
HSL	hsl(211, 55%, 47%)
HSV	hsv(211, 71%, 72%)
CMYK	cmyk(70.7%, 36.4%, 0%, 27.8%)
CIE-LAB	lab(48.22, 2.30, -41.22)
CIE-LCH	lch(48.22, 41.29, 273.20°)
OKLab	oklab(55.36% -0.0377 -0.1172)
OKLCH	oklch(55.36% 0.123 252.2)
XYZ	xyz(16.5311, 16.9658, 47.7416)
Luminance	0.1697 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3675B8 #B87936

analogous

#36B6B8 #3675B8 #3836B8

triadic

#3675B8 #B83675 #75B836

tetradic

#3675B8 #B836B6 #B87936 #36B838

square

#3675B8 #B836B6 #B87936 #36B838

split-complementary

#3675B8 #B83836 #B6B836

monochromatic

#1A3959 #285789 #3675B8 #5C94CF #8BB3DD

Accessibility & contrast

On white

4.78

#3675B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#3675B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3675B8

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3675B8	#FFFFFF	#000000	##FFFFFF
##3675B8	1.00	4.78	4.39	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5779BB

Deuteranopia (green-blind)

#446DB7

Tritanopia (blue-blind)

#00858E

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3675b8;
/* rgb */ color: rgb(54, 117, 184);
/* oklch */ color: oklch(55.4% 0.123 252.2);

Tailwind

colors: {
  custom: {
    50: '#7c9ccd',
    500: '#3675b8',
    950: '#000000',
  },
}

SCSS

$custom: #3675b8;
$custom-light: #7c9ccd;
$custom-dark: #000000;

JSON

{
  "hex": "#3675b8",
  "rgb": {
    "r": 54,
    "g": 117,
    "b": 184
  },
  "hsl": {
    "h": 210.923,
    "s": 54.622,
    "l": 46.667
  },
  "oklch": {
    "l": 0.55356,
    "c": 0.12311,
    "h": 252.2
  },
  "luminance": 0.16968
}

Semantic roles & 50–950 ramp

primary

#3675B8

secondary

#C7A682

accent

#964ADE

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3675B8

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

Preview Lab → · Contrast checker → · Palette generator →