#3744D8#3744D8

#3744D8 is a mid, highly saturated blue. Relative luminance 0.099; OKLCH L 48.1% C 0.222 H 270.9°. Best body text is #FFFFFF at 7.05:1 contrast (WCAG AA passes).

Color values

HEX	#3744D8
RGB	rgb(55, 68, 216)
HSL	hsl(235, 67%, 53%)
HSV	hsv(235, 75%, 85%)
CMYK	cmyk(74.5%, 68.5%, 0%, 15.3%)
CIE-LAB	lab(37.67, 44.94, -76.75)
CIE-LCH	lch(37.67, 88.94, 300.35°)
OKLab	oklab(48.11% 0.0037 -0.2221)
OKLCH	oklch(48.11% 0.222 270.9)
XYZ	xyz(16.0331, 9.9026, 66.0188)
Luminance	0.0990 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3744D8 #D8CB37

analogous

#3795D8 #3744D8 #7A37D8

triadic

#3744D8 #D83744 #44D837

tetradic

#3744D8 #D83795 #D8CB37 #37D87A

square

#3744D8 #D83795 #D8CB37 #37D87A

split-complementary

#3744D8 #D87A37 #95D837

monochromatic

#18207C #222EB0 #3744D8 #6A74E2 #9DA4EC

Accessibility & contrast

On white

7.05

#3744D8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#3744D8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3744D8

7.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3744D8	#FFFFFF	#000000	##FFFFFF
##3744D8	1.00	7.05	2.98	7.05
#FFFFFF	7.05	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060DD

Deuteranopia (green-blind)

#0051D5

Tritanopia (blue-blind)

#006D89

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #3744d8;
/* rgb */ color: rgb(55, 68, 216);
/* oklch */ color: oklch(48.1% 0.222 270.9);

Tailwind

colors: {
  custom: {
    50: '#8678e5',
    500: '#3744d8',
    950: '#000000',
  },
}

SCSS

$custom: #3744d8;
$custom-light: #8678e5;
$custom-dark: #000000;

JSON

{
  "hex": "#3744d8",
  "rgb": {
    "r": 55,
    "g": 68,
    "b": 216
  },
  "hsl": {
    "h": 235.155,
    "s": 67.364,
    "l": 53.137
  },
  "oklch": {
    "l": 0.48107,
    "c": 0.22213,
    "h": 270.9
  },
  "luminance": 0.09904
}

Semantic roles & 50–950 ramp

primary

#3744D8

secondary

#D8D393

accent

#DC3EEA

background

#F9F7FE

surface

#F1EDFC

border

#CBC8D5

text

#0D0916

muted

#7E7B84

Preview Lab

Preview with #3744D8

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

Preview Lab → · Contrast checker → · Palette generator →