#3772BC#3772BC

#3772BC is a mid, vivid cyan. Relative luminance 0.165; OKLCH L 54.9% C 0.131 H 255.4°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#3772BC
RGB	rgb(55, 114, 188)
HSL	hsl(213, 55%, 48%)
HSV	hsv(213, 71%, 74%)
CMYK	cmyk(70.7%, 39.4%, 0%, 26.3%)
CIE-LAB	lab(47.59, 5.75, -44.52)
CIE-LCH	lch(47.59, 44.89, 277.36°)
OKLab	oklab(54.95% -0.0331 -0.1269)
OKLCH	oklch(54.95% 0.131 255.4)
XYZ	xyz(16.6666, 16.4759, 49.8690)
Luminance	0.1648 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3772BC #BC8137

analogous

#37B5BC #3772BC #3E37BC

triadic

#3772BC #BC3772 #72BC37

tetradic

#3772BC #BC37B5 #BC8137 #37BC3E

square

#3772BC #BC37B5 #BC8137 #37BC3E

split-complementary

#3772BC #BC3E37 #B5BC37

monochromatic

#1B395D #29558D #3772BC #6092D0 #8FB2DE

Accessibility & contrast

On white

4.89

#3772BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#3772BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3772BC

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3772BC	#FFFFFF	#000000	##FFFFFF
##3772BC	1.00	4.89	4.30	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5078BF

Deuteranopia (green-blind)

#3B6BBB

Tritanopia (blue-blind)

#00838E

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3772bc;
/* rgb */ color: rgb(55, 114, 188);
/* oklch */ color: oklch(54.9% 0.131 255.4);

Tailwind

colors: {
  custom: {
    50: '#7e9ad0',
    500: '#3772bc',
    950: '#000000',
  },
}

SCSS

$custom: #3772bc;
$custom-light: #7e9ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#3772bc",
  "rgb": {
    "r": 55,
    "g": 114,
    "b": 188
  },
  "hsl": {
    "h": 213.383,
    "s": 54.733,
    "l": 47.647
  },
  "oklch": {
    "l": 0.5495,
    "c": 0.13114,
    "h": 255.4
  },
  "luminance": 0.16478
}

Semantic roles & 50–950 ramp

primary

#3772BC

secondary

#C9AB86

accent

#9C4ADE

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3772BC

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

Preview Lab → · Contrast checker → · Palette generator →