#3735AA#3735AA

#3735AA is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.3% C 0.181 H 275.8°. Best body text is #FFFFFF at 9.32:1 contrast (WCAG AA passes).

Color values

HEX	#3735AA
RGB	rgb(55, 53, 170)
HSL	hsl(241, 52%, 44%)
HSV	hsv(241, 69%, 67%)
CMYK	cmyk(67.6%, 68.8%, 0%, 33.3%)
CIE-LAB	lab(30.06, 38.31, -62.26)
CIE-LCH	lch(30.06, 73.10, 301.61°)
OKLab	oklab(41.31% 0.0182 -0.1798)
OKLCH	oklch(41.31% 0.181 275.8)
XYZ	xyz(10.1020, 6.2598, 38.6983)
Luminance	0.0626 (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

#3735AA #A8AA35

analogous

#356DAA #3735AA #7135AA

triadic

#3735AA #AA3735 #35AA37

tetradic

#3735AA #AA356D #A8AA35 #35AA71

square

#3735AA #AA356D #A8AA35 #35AA71

split-complementary

#3735AA #AA7135 #6DAA35

monochromatic

#19184D #28267B #3735AA #5553C9 #8382D8

Accessibility & contrast

On white

9.32

#3735AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#3735AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3735AA

9.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3735AA	#FFFFFF	#000000	##FFFFFF
##3735AA	1.00	9.32	2.25	9.32
#FFFFFF	9.32	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CAE

Deuteranopia (green-blind)

#0042A8

Tritanopia (blue-blind)

#00546B

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3735aa;
/* rgb */ color: rgb(55, 53, 170);
/* oklch */ color: oklch(41.3% 0.181 275.8);

Tailwind

colors: {
  custom: {
    50: '#7d6dc4',
    500: '#3735aa',
    950: '#000000',
  },
}

SCSS

$custom: #3735aa;
$custom-light: #7d6dc4;
$custom-dark: #000000;

JSON

{
  "hex": "#3735aa",
  "rgb": {
    "r": 55,
    "g": 53,
    "b": 170
  },
  "hsl": {
    "h": 241.026,
    "s": 52.466,
    "l": 43.725
  },
  "oklch": {
    "l": 0.41309,
    "c": 0.18069,
    "h": 275.8
  },
  "luminance": 0.06261
}

Semantic roles & 50–950 ramp

primary

#3735AA

secondary

#C0C17A

accent

#DC4CD9

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3735AA

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

Preview Lab → · Contrast checker → · Palette generator →