#3A37C0#3A37C0

#3A37C0 is a dark, highly saturated blue. Relative luminance 0.074; OKLCH L 44.0% C 0.206 H 274.8°. Best body text is #FFFFFF at 8.44:1 contrast (WCAG AA passes).

Color values

HEX	#3A37C0
RGB	rgb(58, 55, 192)
HSL	hsl(241, 55%, 48%)
HSV	hsv(241, 71%, 75%)
CMYK	cmyk(69.8%, 71.4%, 0%, 24.7%)
CIE-LAB	lab(32.78, 44.84, -70.84)
CIE-LCH	lch(32.78, 83.84, 302.33°)
OKLab	oklab(43.95% 0.0173 -0.2048)
OKLCH	oklch(43.95% 0.206 274.8)
XYZ	xyz(12.6224, 7.4365, 50.6291)
Luminance	0.0744 (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

#3A37C0 #BDC037

analogous

#3778C0 #3A37C0 #7E37C0

triadic

#3A37C0 #C03A37 #37C03A

tetradic

#3A37C0 #C03778 #BDC037 #37C07E

square

#3A37C0 #C03778 #BDC037 #37C07E

split-complementary

#3A37C0 #C07E37 #78C037

monochromatic

#1D1C61 #2C2990 #3A37C0 #6562D2 #9392E0

Accessibility & contrast

On white

8.44

#3A37C0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#3A37C0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A37C0

8.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A37C0	#FFFFFF	#000000	##FFFFFF
##3A37C0	1.00	8.44	2.49	8.44
#FFFFFF	8.44	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053C4

Deuteranopia (green-blind)

#0047BD

Tritanopia (blue-blind)

#005D78

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3a37c0;
/* rgb */ color: rgb(58, 55, 192);
/* oklch */ color: oklch(44.0% 0.206 274.8);

Tailwind

colors: {
  custom: {
    50: '#836fd4',
    500: '#3a37c0',
    950: '#000000',
  },
}

SCSS

$custom: #3a37c0;
$custom-light: #836fd4;
$custom-dark: #000000;

JSON

{
  "hex": "#3a37c0",
  "rgb": {
    "r": 58,
    "g": 55,
    "b": 192
  },
  "hsl": {
    "h": 241.314,
    "s": 55.466,
    "l": 48.431
  },
  "oklch": {
    "l": 0.4395,
    "c": 0.20551,
    "h": 274.8
  },
  "luminance": 0.07438
}

Semantic roles & 50–950 ramp

primary

#3A37C0

secondary

#C9CB88

accent

#DF49DC

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3A37C0

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

Preview Lab → · Contrast checker → · Palette generator →