#3675B6#3675B6

#3675B6 is a mid, vivid cyan. Relative luminance 0.169; OKLCH L 55.2% C 0.121 H 251.5°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#3675B6
RGB	rgb(54, 117, 182)
HSL	hsl(210, 54%, 46%)
HSV	hsv(210, 70%, 71%)
CMYK	cmyk(70.3%, 35.7%, 0%, 28.6%)
CIE-LAB	lab(48.11, 1.58, -40.23)
CIE-LCH	lch(48.11, 40.26, 272.25°)
OKLab	oklab(55.24% -0.0382 -0.1143)
OKLCH	oklch(55.24% 0.121 251.5)
XYZ	xyz(16.3230, 16.8825, 46.6453)
Luminance	0.1688 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3675B6 #B67736

analogous

#36B5B6 #3675B6 #3736B6

triadic

#3675B6 #B63675 #75B636

tetradic

#3675B6 #B636B5 #B67736 #36B637

square

#3675B6 #B636B5 #B67736 #36B637

split-complementary

#3675B6 #B63736 #B5B636

monochromatic

#1A3858 #285787 #3675B6 #5B94CE #8AB3DC

Accessibility & contrast

On white

4.80

#3675B6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#3675B6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3675B6

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3675B6	#FFFFFF	#000000	##FFFFFF
##3675B6	1.00	4.80	4.38	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5879B9

Deuteranopia (green-blind)

#456DB5

Tritanopia (blue-blind)

#00848D

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3675b6;
/* rgb */ color: rgb(54, 117, 182);
/* oklch */ color: oklch(55.2% 0.121 251.5);

Tailwind

colors: {
  custom: {
    50: '#7c9ccc',
    500: '#3675b6',
    950: '#000000',
  },
}

SCSS

$custom: #3675b6;
$custom-light: #7c9ccc;
$custom-dark: #000000;

JSON

{
  "hex": "#3675b6",
  "rgb": {
    "r": 54,
    "g": 117,
    "b": 182
  },
  "hsl": {
    "h": 210.469,
    "s": 54.237,
    "l": 46.275
  },
  "oklch": {
    "l": 0.55239,
    "c": 0.12051,
    "h": 251.5
  },
  "luminance": 0.16884
}

Semantic roles & 50–950 ramp

primary

#3675B6

secondary

#C6A481

accent

#954ADE

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3675B6

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

Preview Lab → · Contrast checker → · Palette generator →