#3675B7#3675B7

#3675B7 is a mid, vivid cyan. Relative luminance 0.169; OKLCH L 55.3% C 0.122 H 251.9°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#3675B7
RGB	rgb(54, 117, 183)
HSL	hsl(211, 54%, 46%)
HSV	hsv(211, 70%, 72%)
CMYK	cmyk(70.5%, 36.1%, 0%, 28.2%)
CIE-LAB	lab(48.16, 1.94, -40.73)
CIE-LCH	lch(48.16, 40.77, 272.73°)
OKLab	oklab(55.3% -0.0379 -0.1157)
OKLCH	oklch(55.3% 0.122 251.9)
XYZ	xyz(16.4267, 16.9240, 47.1915)
Luminance	0.1693 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3675B7 #B77836

analogous

#36B6B7 #3675B7 #3836B7

triadic

#3675B7 #B73675 #75B736

tetradic

#3675B7 #B736B6 #B77836 #36B738

square

#3675B7 #B736B6 #B77836 #36B738

split-complementary

#3675B7 #B73836 #B6B736

monochromatic

#1A3958 #285788 #3675B7 #5B94CF #8BB3DD

Accessibility & contrast

On white

4.79

#3675B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#3675B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3675B7

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3675B7	#FFFFFF	#000000	##FFFFFF
##3675B7	1.00	4.79	4.39	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5779BA

Deuteranopia (green-blind)

#456DB6

Tritanopia (blue-blind)

#00848D

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3675b7;
/* rgb */ color: rgb(54, 117, 183);
/* oklch */ color: oklch(55.3% 0.122 251.9);

Tailwind

colors: {
  custom: {
    50: '#7c9ccd',
    500: '#3675b7',
    950: '#000000',
  },
}

SCSS

$custom: #3675b7;
$custom-light: #7c9ccd;
$custom-dark: #000000;

JSON

{
  "hex": "#3675b7",
  "rgb": {
    "r": 54,
    "g": 117,
    "b": 183
  },
  "hsl": {
    "h": 210.698,
    "s": 54.43,
    "l": 46.471
  },
  "oklch": {
    "l": 0.55298,
    "c": 0.12181,
    "h": 251.9
  },
  "luminance": 0.16926
}

Semantic roles & 50–950 ramp

primary

#3675B7

secondary

#C7A582

accent

#964ADE

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3675B7

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

Preview Lab → · Contrast checker → · Palette generator →