#3A1870#3A1870

#3A1870 is a dark, vivid violet. Relative luminance 0.027; OKLCH L 31.7% C 0.140 H 294.6°. Best body text is #FFFFFF at 13.60:1 contrast (WCAG AA passes).

Color values

HEX	#3A1870
RGB	rgb(58, 24, 112)
HSL	hsl(263, 65%, 27%)
HSV	hsv(263, 79%, 44%)
CMYK	cmyk(48.2%, 78.6%, 0%, 56.1%)
CIE-LAB	lab(18.90, 36.87, -44.46)
CIE-LCH	lch(18.90, 57.76, 309.67°)
OKLab	oklab(31.74% 0.0583 -0.1274)
OKLCH	oklch(31.74% 0.14 294.6)
XYZ	xyz(4.9954, 2.7225, 15.5884)
Luminance	0.0272 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo (survey)

#380282

ΔE00 4.53

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A1870 #4E7018

analogous

#182270 #3A1870 #661870

triadic

#3A1870 #703A18 #18703A

tetradic

#3A1870 #701822 #4E7018 #187066

square

#3A1870 #701822 #4E7018 #187066

split-complementary

#3A1870 #706618 #227018

monochromatic

#0D0519 #200D3E #3A1870 #5423A2 #6F30D3

Accessibility & contrast

On white

13.60

#3A1870 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#3A1870 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A1870

13.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A1870	#FFFFFF	#000000	##FFFFFF
##3A1870	1.00	13.60	1.54	13.60
#FFFFFF	13.60	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F72

Deuteranopia (green-blind)

#002C6E

Tritanopia (blue-blind)

#2A3043

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #3a1870;
/* rgb */ color: rgb(58, 24, 112);
/* oklch */ color: oklch(31.7% 0.140 294.6);

Tailwind

colors: {
  custom: {
    50: '#76599a',
    500: '#3a1870',
    950: '#000000',
  },
}

SCSS

$custom: #3a1870;
$custom-light: #76599a;
$custom-dark: #000000;

JSON

{
  "hex": "#3a1870",
  "rgb": {
    "r": 58,
    "g": 24,
    "b": 112
  },
  "hsl": {
    "h": 263.182,
    "s": 64.706,
    "l": 26.667
  },
  "oklch": {
    "l": 0.31742,
    "c": 0.14015,
    "h": 294.6
  },
  "luminance": 0.02723
}

Semantic roles & 50–950 ramp

primary

#3A1870

secondary

#7EA53E

accent

#E840A7

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09040E

muted

#7B797E

Preview Lab

Preview with #3A1870

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

Preview Lab → · Contrast checker → · Palette generator →