#400F74#400F74

#400F74 is a dark, vivid violet. Relative luminance 0.027; OKLCH L 32.0% C 0.154 H 298.7°. Best body text is #FFFFFF at 13.65:1 contrast (WCAG AA passes).

Color values

HEX	#400F74
RGB	rgb(64, 15, 116)
HSL	hsl(269, 77%, 26%)
HSV	hsv(269, 87%, 45%)
CMYK	cmyk(44.8%, 87.1%, 0%, 54.5%)
CIE-LAB	lab(18.77, 42.79, -47.23)
CIE-LCH	lch(18.77, 63.73, 312.18°)
OKLab	oklab(31.95% 0.0741 -0.1352)
OKLCH	oklch(31.95% 0.154 298.7)
XYZ	xyz(5.4367, 2.6925, 16.7529)
Luminance	0.0269 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 2.99

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400F74 #43740F

analogous

#0F1074 #400F74 #720F74

triadic

#400F74 #74400F #0F7440

tetradic

#400F74 #740F10 #43740F #0F7472

square

#400F74 #740F10 #43740F #0F7472

split-complementary

#400F74 #74720F #10740F

monochromatic

#0F041B #22083E #400F74 #5E16AA #7C1DE0

Accessibility & contrast

On white

13.65

#400F74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#400F74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400F74

13.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400F74	#FFFFFF	#000000	##FFFFFF
##400F74	1.00	13.65	1.54	13.65
#FFFFFF	13.65	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E77

Deuteranopia (green-blind)

#002D72

Tritanopia (blue-blind)

#332D43

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #400f74;
/* rgb */ color: rgb(64, 15, 116);
/* oklch */ color: oklch(32.0% 0.154 298.7);

Tailwind

colors: {
  custom: {
    50: '#7b569d',
    500: '#400f74',
    950: '#000000',
  },
}

SCSS

$custom: #400f74;
$custom-light: #7b569d;
$custom-dark: #000000;

JSON

{
  "hex": "#400f74",
  "rgb": {
    "r": 64,
    "g": 15,
    "b": 116
  },
  "hsl": {
    "h": 269.109,
    "s": 77.099,
    "l": 25.686
  },
  "oklch": {
    "l": 0.31953,
    "c": 0.15422,
    "h": 298.7
  },
  "luminance": 0.02693
}

Semantic roles & 50–950 ramp

primary

#400F74

secondary

#71AC33

accent

#F43497

background

#F7F5F9

surface

#EEE9F2

border

#C9C5CC

text

#0A030E

muted

#7C787E

Preview Lab

Preview with #400F74

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

Preview Lab → · Contrast checker → · Palette generator →