#3772B1#3772B1

#3772B1 is a mid, moderate cyan. Relative luminance 0.160; OKLCH L 54.3% C 0.117 H 252.1°. Best body text is #FFFFFF at 5.00:1 contrast (WCAG AA passes).

Color values

HEX#3772B1
RGBrgb(55, 114, 177)
HSLhsl(211, 53%, 45%)
HSVhsv(211, 69%, 69%)
CMYKcmyk(68.9%, 35.6%, 0%, 30.6%)
CIE-LABlab(47.00, 1.77, -39.09)
CIE-LCHlch(47.00, 39.13, 272.59°)
OKLaboklab(54.29% -0.0359 -0.111)
OKLCHoklch(54.29% 0.117 252.1)
XYZxyz(15.5257, 16.0196, 43.8603)
Luminance0.1602 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3772B1 #B17637
analogous
#37AFB1 #3772B1 #3937B1
triadic
#3772B1 #B13772 #72B137
tetradic
#3772B1 #B137AF #B17637 #37B139
square
#3772B1 #B137AF #B17637 #37B139
split-complementary
#3772B1 #B13937 #AFB137
monochromatic
#1A3654 #285482 #3772B1 #5A91CC #88B0DA

Accessibility & contrast

On white

5.00
#3772B1 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.20
#3772B1 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3772B1
5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3772B1#FFFFFF#000000##FFFFFF
##3772B11.005.004.205.00
#FFFFFF5.001.0021.001.00
#0000004.2021.001.0021.00
##FFFFFF5.001.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5676B4
Deuteranopia (green-blind)
#446AB0
Tritanopia (blue-blind)
#008189
Achromatopsia (no color)
#6F6F6F

Design tokens & code

CSS
--color: #3772b1;
/* rgb */ color: rgb(55, 114, 177);
/* oklch */ color: oklch(54.3% 0.117 252.1);
Tailwind
colors: {
  custom: {
    50: '#7c9ac8',
    500: '#3772b1',
    950: '#000000',
  },
}
SCSS
$custom: #3772b1;
$custom-light: #7c9ac8;
$custom-dark: #000000;
JSON
{
  "hex": "#3772b1",
  "rgb": {
    "r": 55,
    "g": 114,
    "b": 177
  },
  "hsl": {
    "h": 210.984,
    "s": 52.586,
    "l": 45.49
  },
  "oklch": {
    "l": 0.54294,
    "c": 0.11663,
    "h": 252.1
  },
  "luminance": 0.16021
}

Semantic roles & 50–950 ramp

primary
#3772B1
secondary
#C4A380
accent
#964CDC
background
#F8F9FC
surface
#EFF2F8
border
#CACCD1
text
#0A0E13
muted
#7C7E82

Preview Lab

Preview with #3772B1

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

Preview Lab → · Contrast checker → · Palette generator →

#3772B1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva