#3669B0#3669B0

#3669B0 is a mid, vivid cyan. Relative luminance 0.140; OKLCH L 52.1% C 0.125 H 257.1°. Best body text is #FFFFFF at 5.52:1 contrast (WCAG AA passes).

Color values

HEX#3669B0
RGBrgb(54, 105, 176)
HSLhsl(215, 53%, 45%)
HSVhsv(215, 69%, 69%)
CMYKcmyk(69.3%, 40.3%, 0%, 31%)
CIE-LABlab(44.26, 6.84, -42.85)
CIE-LCHlch(44.26, 43.39, 279.07°)
OKLaboklab(52.13% -0.0279 -0.1221)
OKLCHoklch(52.13% 0.125 257.1)
XYZxyz(14.4065, 14.0205, 43.0129)
Luminance0.1402 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3669B0 #B07D36
analogous
#36A6B0 #3669B0 #4036B0
triadic
#3669B0 #B03669 #69B036
tetradic
#3669B0 #B036A6 #B07D36 #36B040
square
#3669B0 #B036A6 #B07D36 #36B040
split-complementary
#3669B0 #B04036 #A6B036
monochromatic
#193152 #284D81 #3669B0 #5888CC #86A9DA

Accessibility & contrast

On white

5.52
#3669B0 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.80
#3669B0 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3669B0
5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3669B0#FFFFFF#000000##FFFFFF
##3669B01.005.523.805.52
#FFFFFF5.521.0021.001.00
#0000003.8021.001.0021.00
##FFFFFF5.521.0021.001.00

Color blindness preview

Protanopia (red-blind)
#486FB3
Deuteranopia (green-blind)
#3563AF
Tritanopia (blue-blind)
#007984
Achromatopsia (no color)
#696969

Design tokens & code

CSS
--color: #3669b0;
/* rgb */ color: rgb(54, 105, 176);
/* oklch */ color: oklch(52.1% 0.125 257.1);
Tailwind
colors: {
  custom: {
    50: '#7b93c8',
    500: '#3669b0',
    950: '#000000',
  },
}
SCSS
$custom: #3669b0;
$custom-light: #7b93c8;
$custom-dark: #000000;
JSON
{
  "hex": "#3669b0",
  "rgb": {
    "r": 54,
    "g": 105,
    "b": 176
  },
  "hsl": {
    "h": 214.918,
    "s": 53.043,
    "l": 45.098
  },
  "oklch": {
    "l": 0.5213,
    "c": 0.12528,
    "h": 257.1
  },
  "luminance": 0.14022
}

Semantic roles & 50–950 ramp

primary
#3669B0
secondary
#C4A77E
accent
#A04BDC
background
#F8F9FC
surface
#EFF1F8
border
#CACBD1
text
#0A0D13
muted
#7C7E82

Preview Lab

Preview with #3669B0

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

Preview Lab → · Contrast checker → · Palette generator →

#3669B0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva