#3764FF#3764FF

#3764FF is a mid, highly saturated blue. Relative luminance 0.171; OKLCH L 57.0% C 0.235 H 266.3°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#3764FF
RGB	rgb(55, 100, 255)
HSL	hsl(227, 100%, 61%)
HSV	hsv(227, 78%, 100%)
CMYK	cmyk(78.4%, 60.8%, 0%, 0%)
CIE-LAB	lab(48.44, 39.04, -81.09)
CIE-LCH	lch(48.44, 90.00, 295.71°)
OKLab	oklab(57.04% -0.0153 -0.2346)
OKLCH	oklch(57.04% 0.235 266.3)
XYZ	xyz(24.1764, 17.1437, 96.6232)
Luminance	0.1715 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3764FF #FFD237

analogous

#37C8FF #3764FF #6E37FF

triadic

#3764FF #FF3764 #64FF37

tetradic

#3764FF #FF37C8 #FFD237 #37FF6E

square

#3764FF #FF37C8 #FFD237 #37FF6E

split-complementary

#3764FF #FF6E37 #C8FF37

monochromatic

#002ABC #0038F9 #3764FF #7493FF #B1C3FF

Accessibility & contrast

On white

4.74

#3764FF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#3764FF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3764FF

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3764FF	#FFFFFF	#000000	##FFFFFF
##3764FF	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#007DFF

Deuteranopia (green-blind)

#006AFC

Tritanopia (blue-blind)

#008CA8

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3764ff;
/* rgb */ color: rgb(55, 100, 255);
/* oklch */ color: oklch(57.0% 0.235 266.3);

Tailwind

colors: {
  custom: {
    50: '#8c8fff',
    500: '#3764ff',
    950: '#000000',
  },
}

SCSS

$custom: #3764ff;
$custom-light: #8c8fff;
$custom-dark: #000000;

JSON

{
  "hex": "#3764ff",
  "rgb": {
    "r": 55,
    "g": 100,
    "b": 255
  },
  "hsl": {
    "h": 226.5,
    "s": 100,
    "l": 60.784
  },
  "oklch": {
    "l": 0.57038,
    "c": 0.23508,
    "h": 266.3
  },
  "luminance": 0.17147
}

Semantic roles & 50–950 ramp

primary

#3764FF

secondary

#EFDEA3

accent

#B200E6

background

#F9F8FF

surface

#F2F0FF

border

#CCCBD7

text

#0E0C18

muted

#7E7D86

Preview Lab

Preview with #3764FF

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

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