#500D18
Closest named color: Mahogany (#4A0100). oklch(28.6% 0.097 17.2), rgb(80, 13, 24).
Aa
White text reads best on this color (14.87:1).
About this color
#500D18 is a dark, moderately saturated red. In OKLCH its lightness is 29%, its chroma 0.097 and its hue 17°. Its hue sits on the warm side of the wheel. The nearest named color is Mahogany (#4A0100), ΔE 0.037 away. White text reads best on it, at 14.87:1.
| Hue family | Reds |
| Lightness | dark (29%) |
| Chroma | moderately saturated (0.097) |
| Temperature | warm |
| Nearest name | Mahogany (#4A0100) |
| Black text | 1.41:1 |
| White text | 14.87:1 |
Values
| HEX | #500D18 |
| RGB | rgb(80, 13, 24) |
| HSL | hsl(350, 72%, 18%) |
| OKLCH | oklch(28.6% 0.097 17.2) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #500D18 | 14.87:1 | AAA | Lc -103.8 | Preferred for body text |
| Black text on #500D18 | 1.41:1 | Fails | Lc 0.0 | Not readable |
| #500D18 text on white | 14.87:1 | AAA | Lc 100.9 | Preferred for body text |
| #500D18 text on black | 1.41:1 | Fails | Lc 0.0 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 950.
-
Step 50
50
#FFF2F2
oklch(97.1% 0.014 17.4)
-
Step 100
100
#FFE2E2
oklch(93.6% 0.032 17.7)
-
Step 200
200
#FFCACB
oklch(88.6% 0.06 17.1)
-
Step 300
300
#FFA3A7
oklch(80.8% 0.109 16.9)
-
Step 400
400
#FE6776
oklch(70.7% 0.184 17.2)
-
Step 500
500
#F72653
oklch(63.1% 0.236 17.1)
-
Step 600
600
#D60040
oklch(55.6% 0.222 17.4)
-
Step 700
700
#B50035
oklch(49% 0.196 17.2)
-
Step 800
800
#96002A
oklch(42.7% 0.171 17.4)
-
Step 900
900
#7E0022
oklch(37.6% 0.151 17.3)
-
Step 950
950 (this color)
#500D18
oklch(28.6% 0.097 17.2)
#500D18 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #201E18 | 0.108 |
| Deuteranopia (no green cones) | #312C16 | 0.098 |
| Tritanopia (no blue cones) | #590012 | 0.022 |
| Achromatopsia (no color) | #272727 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #500D18
#500D18
oklch(28.6% 0.097 17.2)
- #003233
#003233
oklch(28.8% 0.049 196.9)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #500D18, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mahogany #4A0100 ΔE 0.037
- Burgundy #610023 ΔE 0.043
- Deep Brown #410200 ΔE 0.053
- Claret #680018 ΔE 0.054
- Chocolate Brown #411900 ΔE 0.055
- Dark Maroon #3C0008 ΔE 0.062
- Dark Plum #3F012C ΔE 0.069
- Reddy Brown #6E1005 ΔE 0.075
Use #500D18 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.