#491015
Closest named color: Mahogany (#4A0100). oklch(27.5% 0.086 20.1), rgb(73, 16, 21).
Aa
White text reads best on this color (15.34:1).
About this color
#491015 is a dark, moderately saturated red. In OKLCH its lightness is 27%, its chroma 0.086 and its hue 20°. Its hue sits on the warm side of the wheel. The nearest named color is Mahogany (#4A0100), ΔE 0.030 away. White text reads best on it, at 15.34:1.
| Hue family | Reds |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.086) |
| Temperature | warm |
| Nearest name | Mahogany (#4A0100) |
| Black text | 1.36:1 |
| White text | 15.34:1 |
Values
| HEX | #491015 |
| RGB | rgb(73, 16, 21) |
| HSL | hsl(355, 64%, 17%) |
| OKLCH | oklch(27.5% 0.086 20.1) |
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 #491015 | 15.34:1 | AAA | Lc -104.4 | Preferred for body text |
| Black text on #491015 | 1.36:1 | Fails | Lc 0.0 | Not readable |
| #491015 text on white | 15.34:1 | AAA | Lc 101.6 | Preferred for body text |
| #491015 text on black | 1.36:1 | 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
#FDE3E2
oklch(93.7% 0.029 20.3)
-
Step 200
200
#FDCBCA
oklch(88.5% 0.057 19.6)
-
Step 300
300
#FBA6A5
oklch(80.8% 0.101 20.3)
-
Step 400
400
#F57175
oklch(70.7% 0.162 20.3)
-
Step 500
500
#EC4052
oklch(63% 0.207 20)
-
Step 600
600
#D70037
oklch(55.6% 0.223 20.1)
-
Step 700
700
#B6002D
oklch(49.1% 0.197 20.1)
-
Step 800
800
#970024
oklch(42.8% 0.172 20)
-
Step 900
900
#791321
oklch(37.6% 0.135 20.2)
-
Step 950
950 (this color)
#491015
oklch(27.5% 0.086 20.1)
#491015 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) | #1F1D15 | 0.094 |
| Deuteranopia (no green cones) | #2E2913 | 0.085 |
| Tritanopia (no blue cones) | #510212 | 0.023 |
| Achromatopsia (no color) | #252525 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #491015
#491015
oklch(27.5% 0.086 20.1)
- #002E31
#002E31
oklch(27.4% 0.047 201.6)
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 #491015, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mahogany #4A0100 ΔE 0.030
- Deep Brown #410200 ΔE 0.041
- Chocolate Brown #411900 ΔE 0.042
- Dark Maroon #3C0008 ΔE 0.050
- Burgundy #610023 ΔE 0.060
- Dark Brown #341C02 ΔE 0.064
- Dark Plum #3F012C ΔE 0.066
- Claret #680018 ΔE 0.070
Use #491015 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.