#377EC1#377EC1

#377EC1 is a mid, vivid cyan. Relative luminance 0.196; OKLCH L 58.0% C 0.125 H 249.8°. Best body text is #000000 at 4.92:1 contrast (WCAG AA passes).

Color values

HEX#377EC1
RGBrgb(55, 126, 193)
HSLhsl(209, 56%, 49%)
HSVhsv(209, 72%, 76%)
CMYKcmyk(71.5%, 34.7%, 0%, 24.3%)
CIE-LABlab(51.36, 0.24, -41.42)
CIE-LCHlch(51.36, 41.42, 270.33°)
OKLaboklab(57.98% -0.0433 -0.1176)
OKLCHoklch(57.98% 0.125 249.8)
XYZxyz(18.6584, 19.5821, 53.2381)
Luminance0.1958 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#377EC1 #C17A37
analogous
#37C1BF #377EC1 #3739C1
triadic
#377EC1 #C1377E #7EC137
tetradic
#377EC1 #BF37C1 #C17A37 #39C137
square
#377EC1 #BF37C1 #C17A37 #39C137
split-complementary
#377EC1 #C13739 #C1BF37
monochromatic
#1C4062 #295F91 #377EC1 #639CD2 #92BAE0

Accessibility & contrast

On white

4.27
#377EC1 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.92
#377EC1 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #377EC1
4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##377EC1#FFFFFF#000000##000000
##377EC11.004.274.924.92
#FFFFFF4.271.0021.0021.00
#0000004.9221.001.001.00
##0000004.9221.001.001.00

Color blindness preview

Protanopia (red-blind)
#6081C4
Deuteranopia (green-blind)
#4C75C0
Tritanopia (blue-blind)
#008E96
Achromatopsia (no color)
#7A7A7A

Design tokens & code

CSS
--color: #377ec1;
/* rgb */ color: rgb(55, 126, 193);
/* oklch */ color: oklch(58.0% 0.125 249.8);
Tailwind
colors: {
  custom: {
    50: '#7fa3d4',
    500: '#377ec1',
    950: '#000000',
  },
}
SCSS
$custom: #377ec1;
$custom-light: #7fa3d4;
$custom-dark: #000000;
JSON
{
  "hex": "#377ec1",
  "rgb": {
    "r": 55,
    "g": 126,
    "b": 193
  },
  "hsl": {
    "h": 209.13,
    "s": 55.645,
    "l": 48.627
  },
  "oklch": {
    "l": 0.57983,
    "c": 0.12537,
    "h": 249.8
  },
  "luminance": 0.19584
}

Semantic roles & 50–950 ramp

primary
#377EC1
secondary
#CBA989
accent
#9249DF
background
#F8F9FD
surface
#EFF2FA
border
#CACCD3
text
#0B0F14
muted
#7C7E83

Preview Lab

Preview with #377EC1

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

Preview Lab → · Contrast checker → · Palette generator →

#377EC1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva