#40030F#40030F

#40030F is a very dark, moderate red. Relative luminance 0.012; OKLCH L 24.0% C 0.090 H 16.8°. Best body text is #FFFFFF at 16.96:1 contrast (WCAG AA passes).

Color values

HEX	#40030F
RGB	rgb(64, 3, 15)
HSL	hsl(348, 91%, 13%)
HSV	hsv(348, 95%, 25%)
CMYK	cmyk(0%, 95.3%, 76.6%, 74.9%)
CIE-LAB	lab(10.48, 29.06, 10.01)
CIE-LCH	lch(10.48, 30.73, 19.01°)
OKLab	oklab(23.97% 0.0865 0.0261)
OKLCH	oklch(23.97% 0.09 16.8)
XYZ	xyz(2.2334, 1.1900, 0.5639)
Luminance	0.0119 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40030F #034034

analogous

#40032D #40030F #401503

triadic

#40030F #0F4003 #030F40

tetradic

#40030F #2D4003 #034034 #150340

square

#40030F #2D4003 #034034 #150340

split-complementary

#40030F #034015 #032D40

monochromatic

#1D0107 #1D0107 #40030F #7A061D #B5082A

Accessibility & contrast

On white

16.96

#40030F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#40030F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40030F

16.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40030F	#FFFFFF	#000000	##FFFFFF
##40030F	1.00	16.96	1.24	16.96
#FFFFFF	16.96	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#16140F

Deuteranopia (green-blind)

#25210D

Tritanopia (blue-blind)

#470008

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #40030f;
/* rgb */ color: rgb(64, 3, 15);
/* oklch */ color: oklch(24.0% 0.090 16.8);

Tailwind

colors: {
  custom: {
    50: '#7a4b4d',
    500: '#40030f',
    950: '#000000',
  },
}

SCSS

$custom: #40030f;
$custom-light: #7a4b4d;
$custom-dark: #000000;

JSON

{
  "hex": "#40030f",
  "rgb": {
    "r": 64,
    "g": 3,
    "b": 15
  },
  "hsl": {
    "h": 348.197,
    "s": 91.045,
    "l": 13.137
  },
  "oklch": {
    "l": 0.23972,
    "c": 0.09036,
    "h": 16.8
  },
  "luminance": 0.0119
}

Semantic roles & 50–950 ramp

primary

#40030F

secondary

#1D826E

accent

#FFD529

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0101

muted

#7C7777

Preview Lab

Preview with #40030F

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

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