#401017#401017

#401017 is a dark, moderate red. Relative luminance 0.015; OKLCH L 25.7% C 0.074 H 15.6°. Best body text is #FFFFFF at 16.10:1 contrast (WCAG AA passes).

Color values

HEX	#401017
RGB	rgb(64, 16, 23)
HSL	hsl(351, 60%, 16%)
HSV	hsv(351, 75%, 25%)
CMYK	cmyk(0%, 75%, 64.1%, 74.9%)
CIE-LAB	lab(12.75, 23.86, 8.04)
CIE-LCH	lch(12.75, 25.18, 18.62°)
OKLab	oklab(25.72% 0.0717 0.02)
OKLCH	oklch(25.72% 0.074 15.6)
XYZ	xyz(2.4545, 1.5228, 0.9751)
Luminance	0.0152 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#401017 #104039

analogous

#40102F #401017 #402110

triadic

#401017 #174010 #101740

tetradic

#401017 #2F4010 #104039 #211040

square

#401017 #2F4010 #104039 #211040

split-complementary

#401017 #104021 #102F40

monochromatic

#180609 #180609 #401017 #711C29 #A2283A

Accessibility & contrast

On white

16.10

#401017 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#401017 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #401017

16.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##401017	#FFFFFF	#000000	##FFFFFF
##401017	1.00	16.10	1.30	16.10
#FFFFFF	16.10	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C1B17

Deuteranopia (green-blind)

#282516

Tritanopia (blue-blind)

#470713

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #401017;
/* rgb */ color: rgb(64, 16, 23);
/* oklch */ color: oklch(25.7% 0.074 15.6);

Tailwind

colors: {
  custom: {
    50: '#795153',
    500: '#401017',
    950: '#000000',
  },
}

SCSS

$custom: #401017;
$custom-light: #795153;
$custom-dark: #000000;

JSON

{
  "hex": "#401017",
  "rgb": {
    "r": 64,
    "g": 16,
    "b": 23
  },
  "hsl": {
    "h": 351.25,
    "s": 60,
    "l": 15.686
  },
  "oklch": {
    "l": 0.25715,
    "c": 0.07438,
    "h": 15.6
  },
  "luminance": 0.01522
}

Semantic roles & 50–950 ramp

primary

#401017

secondary

#327A6F

accent

#E3CC45

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#090202

muted

#7B7878

Preview Lab

Preview with #401017

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

Preview Lab → · Contrast checker → · Palette generator →