#43121B
Closest named color: Mahogany (#4A0100). oklch(26.7% 0.076 12.9), rgb(67, 18, 27).
Aa
White text reads best on this color (15.65:1).
About this color
#43121B is a dark, moderately saturated red. In OKLCH its lightness is 27%, its chroma 0.076 and its hue 13°. Its hue sits on the warm side of the wheel. The nearest named color is Mahogany (#4A0100), ΔE 0.040 away. White text reads best on it, at 15.65:1.
| Hue family | Reds |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.076) |
| Temperature | warm |
| Nearest name | Mahogany (#4A0100) |
| Black text | 1.34:1 |
| White text | 15.65:1 |
Values
| HEX | #43121B |
| RGB | rgb(67, 18, 27) |
| HSL | hsl(349, 58%, 17%) |
| OKLCH | oklch(26.7% 0.076 12.9) |
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 #43121B | 15.65:1 | AAA | Lc -104.8 | Preferred for body text |
| Black text on #43121B | 1.34:1 | Fails | Lc 0.0 | Not readable |
| #43121B text on white | 15.65:1 | AAA | Lc 102.1 | Preferred for body text |
| #43121B text on black | 1.34:1 | 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
#FDF2F3
oklch(97% 0.012 11)
-
Step 100
100
#FBE3E5
oklch(93.6% 0.026 11.9)
-
Step 200
200
#F8CCD0
oklch(88.4% 0.05 12)
-
Step 300
300
#F4A9B0
oklch(80.9% 0.089 13.1)
-
Step 400
400
#EB7787
oklch(70.6% 0.143 12.8)
-
Step 500
500
#E14E69
oklch(63.1% 0.182 13.2)
-
Step 600
600
#CC2751
oklch(55.5% 0.198 13)
-
Step 700
700
#B01542
oklch(49% 0.185 12.8)
-
Step 800
800
#8F1836
oklch(42.7% 0.153 13.2)
-
Step 900
900
#731D2F
oklch(37.7% 0.119 13)
-
Step 950
950 (this color)
#43121B
oklch(26.7% 0.076 12.9)
#43121B 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) | #1E1D1B | 0.083 |
| Deuteranopia (no green cones) | #2A271A | 0.077 |
| Tritanopia (no blue cones) | #4A0916 | 0.019 |
| Achromatopsia (no color) | #232323 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #43121B
#43121B
oklch(26.7% 0.076 12.9)
- #002D2C
#002D2C
oklch(26.9% 0.046 192.5)
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 #43121B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mahogany #4A0100 ΔE 0.040
- Deep Brown #410200 ΔE 0.043
- Dark Maroon #3C0008 ΔE 0.046
- Chocolate Brown #411900 ΔE 0.046
- Dark Plum #3F012C ΔE 0.055
- Aubergine #3D0734 ΔE 0.061
- Dark Brown #341C02 ΔE 0.061
- Eggplant #380835 ΔE 0.067
Use #43121B 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.