#400711#400711

#400711 is a very dark, moderate red. Relative luminance 0.013; OKLCH L 24.5% C 0.085 H 17.0°. Best body text is #FFFFFF at 16.71:1 contrast (WCAG AA passes).

Color values

HEX	#400711
RGB	rgb(64, 7, 17)
HSL	hsl(349, 80%, 14%)
HSV	hsv(349, 89%, 25%)
CMYK	cmyk(0%, 89.1%, 73.4%, 74.9%)
CIE-LAB	lab(11.15, 27.40, 9.83)
CIE-LCH	lch(11.15, 29.11, 19.74°)
OKLab	oklab(24.48% 0.0817 0.0249)
OKLCH	oklch(24.48% 0.085 17)
XYZ	xyz(2.2918, 1.2828, 0.6571)
Luminance	0.0128 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400711 #074036

analogous

#40072E #400711 #401A07

triadic

#400711 #114007 #071140

tetradic

#400711 #2E4007 #074036 #1A0740

square

#400711 #2E4007 #074036 #1A0740

split-complementary

#400711 #07401A #072E40

monochromatic

#1C0307 #1C0307 #400711 #770D20 #AE132E

Accessibility & contrast

On white

16.71

#400711 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#400711 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400711

16.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400711	#FFFFFF	#000000	##FFFFFF
##400711	1.00	16.71	1.26	16.71
#FFFFFF	16.71	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#181611

Deuteranopia (green-blind)

#26220F

Tritanopia (blue-blind)

#47000B

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #400711;
/* rgb */ color: rgb(64, 7, 17);
/* oklch */ color: oklch(24.5% 0.085 17.0);

Tailwind

colors: {
  custom: {
    50: '#7a4d4f',
    500: '#400711',
    950: '#000000',
  },
}

SCSS

$custom: #400711;
$custom-light: #7a4d4f;
$custom-dark: #000000;

JSON

{
  "hex": "#400711",
  "rgb": {
    "r": 64,
    "g": 7,
    "b": 17
  },
  "hsl": {
    "h": 349.474,
    "s": 80.282,
    "l": 13.922
  },
  "oklch": {
    "l": 0.24482,
    "c": 0.0854,
    "h": 17
  },
  "luminance": 0.01282
}

Semantic roles & 50–950 ramp

primary

#400711

secondary

#247F6F

accent

#F7D431

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0101

muted

#7C7777

Preview Lab

Preview with #400711

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

Preview Lab → · Contrast checker → · Palette generator →