#490A18
Closest named color: Mahogany (#4A0100). oklch(26.9% 0.092 14), rgb(73, 10, 24).
Aa
White text reads best on this color (15.67:1).
About this color
#490A18 is a dark, moderately saturated red. In OKLCH its lightness is 27%, its chroma 0.092 and its hue 14°. Its hue sits on the warm side of the wheel. The nearest named color is Mahogany (#4A0100), ΔE 0.031 away. White text reads best on it, at 15.67:1.
| Hue family | Reds |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.092) |
| Temperature | warm |
| Nearest name | Mahogany (#4A0100) |
| Black text | 1.33:1 |
| White text | 15.67:1 |
Values
| HEX | #490A18 |
| RGB | rgb(73, 10, 24) |
| HSL | hsl(347, 76%, 16%) |
| OKLCH | oklch(26.9% 0.092 14) |
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 #490A18 | 15.67:1 | AAA | Lc -104.6 | Preferred for body text |
| Black text on #490A18 | 1.33:1 | Fails | Lc 0.0 | Not readable |
| #490A18 text on white | 15.67:1 | AAA | Lc 101.8 | Preferred for body text |
| #490A18 text on black | 1.33:1 | 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
#FEE2E3
oklch(93.6% 0.031 15.3)
-
Step 200
200
#FFC9CD
oklch(88.4% 0.062 13.4)
-
Step 300
300
#FFA3AB
oklch(80.9% 0.11 14.1)
-
Step 400
400
#F96A7F
oklch(70.6% 0.175 13.8)
-
Step 500
500
#F1325F
oklch(63% 0.223 13.9)
-
Step 600
600
#D5004A
oklch(55.6% 0.222 14)
-
Step 700
700
#B5003D
oklch(49.2% 0.197 14.2)
-
Step 800
800
#950031
oklch(42.6% 0.17 14.1)
-
Step 900
900
#7C0629
oklch(37.6% 0.146 13.9)
-
Step 950
950 (this color)
#490A18
oklch(26.9% 0.092 14)
#490A18 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) | #1C1B18 | 0.103 |
| Deuteranopia (no green cones) | #2C2816 | 0.094 |
| Tritanopia (no blue cones) | #510010 | 0.021 |
| Achromatopsia (no color) | #232323 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #490A18
#490A18
oklch(26.9% 0.092 14)
- #002D2D
#002D2D
oklch(26.9% 0.046 194.8)
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 #490A18, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mahogany #4A0100 ΔE 0.031
- Deep Brown #410200 ΔE 0.041
- Dark Maroon #3C0008 ΔE 0.045
- Chocolate Brown #411900 ΔE 0.054
- Dark Plum #3F012C ΔE 0.055
- Burgundy #610023 ΔE 0.058
- Aubergine #3D0734 ΔE 0.064
- Claret #680018 ΔE 0.071
Use #490A18 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.