#3735AB#3735AB

#3735AB is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.4% C 0.182 H 275.7°. Best body text is #FFFFFF at 9.29:1 contrast (WCAG AA passes).

Color values

HEX	#3735AB
RGB	rgb(55, 53, 171)
HSL	hsl(241, 53%, 44%)
HSV	hsv(241, 69%, 67%)
CMYK	cmyk(67.8%, 69%, 0%, 32.9%)
CIE-LAB	lab(30.15, 38.65, -62.70)
CIE-LCH	lch(30.15, 73.66, 301.65°)
OKLab	oklab(41.4% 0.018 -0.1811)
OKLCH	oklch(41.4% 0.182 275.7)
XYZ	xyz(10.1969, 6.2978, 39.1984)
Luminance	0.0630 (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

#3735AB #A9AB35

analogous

#356EAB #3735AB #7235AB

triadic

#3735AB #AB3735 #35AB37

tetradic

#3735AB #AB356E #A9AB35 #35AB72

square

#3735AB #AB356E #A9AB35 #35AB72

split-complementary

#3735AB #AB7235 #6EAB35

monochromatic

#19184E #28277C #3735AB #5553CA #8482D8

Accessibility & contrast

On white

9.29

#3735AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#3735AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3735AB

9.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3735AB	#FFFFFF	#000000	##FFFFFF
##3735AB	1.00	9.29	2.26	9.29
#FFFFFF	9.29	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CAF

Deuteranopia (green-blind)

#0042A9

Tritanopia (blue-blind)

#00556C

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3735ab;
/* rgb */ color: rgb(55, 53, 171);
/* oklch */ color: oklch(41.4% 0.182 275.7);

Tailwind

colors: {
  custom: {
    50: '#7d6dc5',
    500: '#3735ab',
    950: '#000000',
  },
}

SCSS

$custom: #3735ab;
$custom-light: #7d6dc5;
$custom-dark: #000000;

JSON

{
  "hex": "#3735ab",
  "rgb": {
    "r": 55,
    "g": 53,
    "b": 171
  },
  "hsl": {
    "h": 241.017,
    "s": 52.679,
    "l": 43.922
  },
  "oklch": {
    "l": 0.41405,
    "c": 0.18198,
    "h": 275.7
  },
  "luminance": 0.06299
}

Semantic roles & 50–950 ramp

primary

#3735AB

secondary

#C0C27A

accent

#DC4CDA

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3735AB

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

Preview Lab → · Contrast checker → · Palette generator →