#45100D#45100D

#45100D is a dark, moderate red. Relative luminance 0.017; OKLCH L 26.5% C 0.082 H 27.4°. Best body text is #FFFFFF at 15.75:1 contrast (WCAG AA passes).

Color values

HEX	#45100D
RGB	rgb(69, 16, 13)
HSL	hsl(3, 68%, 16%)
HSV	hsv(3, 81%, 27%)
CMYK	cmyk(0%, 76.8%, 81.2%, 72.9%)
CIE-LAB	lab(13.62, 25.12, 15.49)
CIE-LCH	lch(13.62, 29.51, 31.66°)
OKLab	oklab(26.5% 0.0726 0.0376)
OKLCH	oklch(26.5% 0.082 27.4)
XYZ	xyz(2.7125, 1.6652, 0.5593)
Luminance	0.0167 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#45100D #0D4245

analogous

#450D26 #45100D #452C0D

triadic

#45100D #0D4510 #100D45

tetradic

#45100D #26450D #0D4245 #2C0D45

square

#45100D #26450D #0D4245 #2C0D45

split-complementary

#45100D #0D452C #0D2645

monochromatic

#1A0605 #1A0605 #45100D #781C17 #AC2820

Accessibility & contrast

On white

15.75

#45100D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#45100D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #45100D

15.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##45100D	#FFFFFF	#000000	##FFFFFF
##45100D	1.00	15.75	1.33	15.75
#FFFFFF	15.75	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F1C0C

Deuteranopia (green-blind)

#2C270B

Tritanopia (blue-blind)

#4D0210

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #45100d;
/* rgb */ color: rgb(69, 16, 13);
/* oklch */ color: oklch(26.5% 0.082 27.4);

Tailwind

colors: {
  custom: {
    50: '#7e524c',
    500: '#45100d',
    950: '#000000',
  },
}

SCSS

$custom: #45100d;
$custom-light: #7e524c;
$custom-dark: #000000;

JSON

{
  "hex": "#45100d",
  "rgb": {
    "r": 69,
    "g": 16,
    "b": 13
  },
  "hsl": {
    "h": 3.214,
    "s": 68.293,
    "l": 16.078
  },
  "oklch": {
    "l": 0.26501,
    "c": 0.08178,
    "h": 27.4
  },
  "luminance": 0.01665
}

Semantic roles & 50–950 ramp

primary

#45100D

secondary

#2D7C80

accent

#E2EB3D

background

#F8F4F4

surface

#EFE7E7

border

#CAC3C3

text

#0B0201

muted

#7C7877

Preview Lab

Preview with #45100D

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

Preview Lab → · Contrast checker → · Palette generator →