#377ACA#377ACA

#377ACA is a mid, vivid cyan. Relative luminance 0.190; OKLCH L 57.6% C 0.141 H 254.6°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX#377ACA
RGBrgb(55, 122, 202)
HSLhsl(213, 58%, 50%)
HSVhsv(213, 73%, 79%)
CMYKcmyk(72.8%, 39.6%, 0%, 20.8%)
CIE-LABlab(50.68, 5.92, -47.64)
CIE-LCHlch(50.68, 48.01, 277.09°)
OKLaboklab(57.61% -0.0373 -0.1359)
OKLCHoklch(57.61% 0.141 254.6)
XYZxyz(19.1918, 18.9934, 58.5203)
Luminance0.1900 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#377ACA #CA8737
analogous
#37C4CA #377ACA #3D37CA
triadic
#377ACA #CA377A #7ACA37
tetradic
#377ACA #CA37C4 #CA8737 #37CA3D
square
#377ACA #CA37C4 #CA8737 #37CA3D
split-complementary
#377ACA #CA3D37 #C4CA37
monochromatic
#1C406A #295D9B #377ACA #679AD7 #98BAE4

Accessibility & contrast

On white

4.38
#377ACA on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.80
#377ACA on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #377ACA
4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##377ACA#FFFFFF#000000##000000
##377ACA1.004.384.804.80
#FFFFFF4.381.0021.0021.00
#0000004.8021.001.001.00
##0000004.8021.001.001.00

Color blindness preview

Protanopia (red-blind)
#5480CD
Deuteranopia (green-blind)
#3D72C8
Tritanopia (blue-blind)
#008D98
Achromatopsia (no color)
#797979

Design tokens & code

CSS
--color: #377aca;
/* rgb */ color: rgb(55, 122, 202);
/* oklch */ color: oklch(57.6% 0.141 254.6);
Tailwind
colors: {
  custom: {
    50: '#809fda',
    500: '#377aca',
    950: '#000000',
  },
}
SCSS
$custom: #377aca;
$custom-light: #809fda;
$custom-dark: #000000;
JSON
{
  "hex": "#377aca",
  "rgb": {
    "r": 55,
    "g": 122,
    "b": 202
  },
  "hsl": {
    "h": 212.653,
    "s": 58.103,
    "l": 50.392
  },
  "oklch": {
    "l": 0.57606,
    "c": 0.14096,
    "h": 254.6
  },
  "luminance": 0.18996
}

Semantic roles & 50–950 ramp

primary
#377ACA
secondary
#CFB18E
accent
#9B46E1
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0E15
muted
#7D7E83

Preview Lab

Preview with #377ACA

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

Preview Lab → · Contrast checker → · Palette generator →

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