#3A18B4#3A18B4

#3A18B4 is a dark, highly saturated violet. Relative luminance 0.048; OKLCH L 39.0% C 0.218 H 279.2°. Best body text is #FFFFFF at 10.66:1 contrast (WCAG AA passes).

Color values

HEX	#3A18B4
RGB	rgb(58, 24, 180)
HSL	hsl(253, 76%, 40%)
HSV	hsv(253, 87%, 71%)
CMYK	cmyk(67.8%, 86.7%, 0%, 29.4%)
CIE-LAB	lab(26.29, 56.13, -74.45)
CIE-LCH	lch(26.29, 93.24, 307.01°)
OKLab	oklab(39.04% 0.0349 -0.2149)
OKLCH	oklch(39.04% 0.218 279.2)
XYZ	xyz(10.3071, 4.8472, 43.5636)
Luminance	0.0485 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A18B4 #92B418

analogous

#1844B4 #3A18B4 #8818B4

triadic

#3A18B4 #B43A18 #18B43A

tetradic

#3A18B4 #B41844 #92B418 #18B488

square

#3A18B4 #B41844 #92B418 #18B488

split-complementary

#3A18B4 #B48818 #44B418

monochromatic

#170A48 #29117E #3A18B4 #5027E2 #7C5DE9

Accessibility & contrast

On white

10.66

#3A18B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#3A18B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A18B4

10.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A18B4	#FFFFFF	#000000	##FFFFFF
##3A18B4	1.00	10.66	1.97	10.66
#FFFFFF	10.66	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044B8

Deuteranopia (green-blind)

#0038B1

Tritanopia (blue-blind)

#004C6A

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #3a18b4;
/* rgb */ color: rgb(58, 24, 180);
/* oklch */ color: oklch(39.0% 0.218 279.2);

Tailwind

colors: {
  custom: {
    50: '#835ecc',
    500: '#3a18b4',
    950: '#000000',
  },
}

SCSS

$custom: #3a18b4;
$custom-light: #835ecc;
$custom-dark: #000000;

JSON

{
  "hex": "#3a18b4",
  "rgb": {
    "r": 58,
    "g": 24,
    "b": 180
  },
  "hsl": {
    "h": 253.077,
    "s": 76.471,
    "l": 40
  },
  "oklch": {
    "l": 0.39038,
    "c": 0.21774,
    "h": 279.2
  },
  "luminance": 0.04848
}

Semantic roles & 50–950 ramp

primary

#3A18B4

secondary

#B4CD5B

accent

#F335CA

background

#F8F5FC

surface

#F0E9F9

border

#CBC5D2

text

#0C0514

muted

#7D7982

Preview Lab

Preview with #3A18B4

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

Preview Lab → · Contrast checker → · Palette generator →