#3772B9#3772B9

#3772B9 is a mid, vivid cyan. Relative luminance 0.164; OKLCH L 54.8% C 0.127 H 254.6°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#3772B9
RGB	rgb(55, 114, 185)
HSL	hsl(213, 54%, 47%)
HSV	hsv(213, 70%, 73%)
CMYK	cmyk(70.3%, 38.4%, 0%, 27.5%)
CIE-LAB	lab(47.43, 4.66, -43.05)
CIE-LCH	lch(47.43, 43.30, 276.18°)
OKLab	oklab(54.77% -0.0338 -0.1226)
OKLCH	oklch(54.77% 0.127 254.6)
XYZ	xyz(16.3466, 16.3479, 48.1835)
Luminance	0.1635 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3772B9 #B97E37

analogous

#37B3B9 #3772B9 #3D37B9

triadic

#3772B9 #B93772 #72B937

tetradic

#3772B9 #B937B3 #B97E37 #37B93D

square

#3772B9 #B937B3 #B97E37 #37B93D

split-complementary

#3772B9 #B93D37 #B3B937

monochromatic

#1B385B #29558A #3772B9 #5E91CF #8DB2DD

Accessibility & contrast

On white

4.92

#3772B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#3772B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3772B9

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3772B9	#FFFFFF	#000000	##FFFFFF
##3772B9	1.00	4.92	4.27	4.92
#FFFFFF	4.92	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5277BC

Deuteranopia (green-blind)

#3E6BB8

Tritanopia (blue-blind)

#00838C

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3772b9;
/* rgb */ color: rgb(55, 114, 185);
/* oklch */ color: oklch(54.8% 0.127 254.6);

Tailwind

colors: {
  custom: {
    50: '#7d9ace',
    500: '#3772b9',
    950: '#000000',
  },
}

SCSS

$custom: #3772b9;
$custom-light: #7d9ace;
$custom-dark: #000000;

JSON

{
  "hex": "#3772b9",
  "rgb": {
    "r": 55,
    "g": 114,
    "b": 185
  },
  "hsl": {
    "h": 212.769,
    "s": 54.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.54767,
    "c": 0.12716,
    "h": 254.6
  },
  "luminance": 0.1635
}

Semantic roles & 50–950 ramp

primary

#3772B9

secondary

#C8A984

accent

#9B4ADE

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3772B9

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

Preview Lab → · Contrast checker → · Palette generator →