#40103B#40103B

#40103B is a dark, moderate purple. Relative luminance 0.018; OKLCH L 27.3% C 0.094 H 332.3°. Best body text is #FFFFFF at 15.50:1 contrast (WCAG AA passes).

Color values

HEX	#40103B
RGB	rgb(64, 16, 59)
HSL	hsl(306, 60%, 16%)
HSV	hsv(306, 75%, 25%)
CMYK	cmyk(0%, 75%, 7.8%, 74.9%)
CIE-LAB	lab(14.27, 29.10, -16.01)
CIE-LCH	lch(14.27, 33.21, 331.18°)
OKLab	oklab(27.33% 0.0835 -0.0439)
OKLCH	oklch(27.33% 0.094 332.3)
XYZ	xyz(3.0891, 1.7766, 4.3170)
Luminance	0.0178 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40103B #104015

analogous

#2D1040 #40103B #401023

triadic

#40103B #3B4010 #103B40

tetradic

#40103B #402D10 #104015 #102340

square

#40103B #402D10 #104015 #102340

split-complementary

#40103B #234010 #10402D

monochromatic

#180617 #180617 #40103B #711C68 #A22895

Accessibility & contrast

On white

15.50

#40103B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#40103B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40103B

15.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40103B	#FFFFFF	#000000	##FFFFFF
##40103B	1.00	15.50	1.36	15.50
#FFFFFF	15.50	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E203C

Deuteranopia (green-blind)

#1E273A

Tritanopia (blue-blind)

#431523

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #40103b;
/* rgb */ color: rgb(64, 16, 59);
/* oklch */ color: oklch(27.3% 0.094 332.3);

Tailwind

colors: {
  custom: {
    50: '#775371',
    500: '#40103b',
    950: '#000000',
  },
}

SCSS

$custom: #40103b;
$custom-light: #775371;
$custom-dark: #000000;

JSON

{
  "hex": "#40103b",
  "rgb": {
    "r": 64,
    "g": 16,
    "b": 59
  },
  "hsl": {
    "h": 306.25,
    "s": 60,
    "l": 15.686
  },
  "oklch": {
    "l": 0.27326,
    "c": 0.09431,
    "h": 332.3
  },
  "luminance": 0.01776
}

Semantic roles & 50–950 ramp

primary

#40103B

secondary

#327A39

accent

#E35545

background

#F7F4F6

surface

#EDE7EC

border

#C8C3C7

text

#090207

muted

#7B787A

Preview Lab

Preview with #40103B

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

Preview Lab → · Contrast checker → · Palette generator →