#3675B9#3675B9

#3675B9 is a mid, vivid cyan. Relative luminance 0.170; OKLCH L 55.4% C 0.124 H 252.5°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX#3675B9
RGBrgb(54, 117, 185)
HSLhsl(211, 55%, 47%)
HSVhsv(211, 71%, 73%)
CMYKcmyk(70.8%, 36.8%, 0%, 27.5%)
CIE-LABlab(48.27, 2.66, -41.72)
CIE-LCHlch(48.27, 41.80, 273.65°)
OKLaboklab(55.42% -0.0374 -0.1186)
OKLCHoklch(55.42% 0.124 252.5)
XYZxyz(16.6363, 17.0078, 48.2956)
Luminance0.1701 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3675B9 #B97A36
analogous
#36B7B9 #3675B9 #3836B9
triadic
#3675B9 #B93675 #75B936
tetradic
#3675B9 #B936B7 #B97A36 #36B938
square
#3675B9 #B936B7 #B97A36 #36B938
split-complementary
#3675B9 #B93836 #B7B936
monochromatic
#1A395A #28578A #3675B9 #5D94D0 #8CB3DD

Accessibility & contrast

On white

4.77
#3675B9 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.40
#3675B9 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3675B9
4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3675B9#FFFFFF#000000##FFFFFF
##3675B91.004.774.404.77
#FFFFFF4.771.0021.001.00
#0000004.4021.001.0021.00
##FFFFFF4.771.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5679BC
Deuteranopia (green-blind)
#436DB8
Tritanopia (blue-blind)
#00858E
Achromatopsia (no color)
#737373

Design tokens & code

CSS
--color: #3675b9;
/* rgb */ color: rgb(54, 117, 185);
/* oklch */ color: oklch(55.4% 0.124 252.5);
Tailwind
colors: {
  custom: {
    50: '#7d9cce',
    500: '#3675b9',
    950: '#000000',
  },
}
SCSS
$custom: #3675b9;
$custom-light: #7d9cce;
$custom-dark: #000000;
JSON
{
  "hex": "#3675b9",
  "rgb": {
    "r": 54,
    "g": 117,
    "b": 185
  },
  "hsl": {
    "h": 211.145,
    "s": 54.812,
    "l": 46.863
  },
  "oklch": {
    "l": 0.55415,
    "c": 0.1244,
    "h": 252.5
  },
  "luminance": 0.1701
}

Semantic roles & 50–950 ramp

primary
#3675B9
secondary
#C8A783
accent
#974ADE
background
#F8F9FC
surface
#EFF2F9
border
#CACCD2
text
#0B0E13
muted
#7C7E82

Preview Lab

Preview with #3675B9

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

Preview Lab → · Contrast checker → · Palette generator →

#3675B9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva