#421A10
Closest named color: Chocolate Brown (#411900). oklch(27.5% 0.065 35.2), rgb(66, 26, 16).
Aa
White text reads best on this color (15.14:1).
About this color
#421A10 is a dark, muted red. In OKLCH its lightness is 28%, its chroma 0.065 and its hue 35°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.019 away. White text reads best on it, at 15.14:1.
| Hue family | Reds |
| Lightness | dark (28%) |
| Chroma | muted (0.065) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.38:1 |
| White text | 15.14:1 |
Values
| HEX | #421A10 |
| RGB | rgb(66, 26, 16) |
| HSL | hsl(12, 61%, 16%) |
| OKLCH | oklch(27.5% 0.065 35.2) |
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 #421A10 | 15.14:1 | AAA | Lc -104.5 | Preferred for body text |
| Black text on #421A10 | 1.38:1 | Fails | Lc 0.0 | Not readable |
| #421A10 text on white | 15.14:1 | AAA | Lc 101.7 | Preferred for body text |
| #421A10 text on black | 1.38:1 | 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
#FCF3F1
oklch(97.1% 0.01 32.5)
-
Step 100
100
#F8E5E0
oklch(93.6% 0.022 35.1)
-
Step 200
200
#F4D0C6
oklch(88.5% 0.043 36)
-
Step 300
300
#EEAF9F
oklch(80.9% 0.078 34.7)
-
Step 400
400
#E2836B
oklch(70.7% 0.123 35.1)
-
Step 500
500
#D76042
oklch(63.2% 0.157 35.3)
-
Step 600
600
#C34120
oklch(55.6% 0.172 35)
-
Step 700
700
#A83211
oklch(49.2% 0.16 35.3)
-
Step 800
800
#882B13
oklch(42.7% 0.132 35.1)
-
Step 900
900
#6E2817
oklch(37.7% 0.104 34.9)
-
Step 950
950 (this color)
#421A10
oklch(27.5% 0.065 35.2)
#421A10 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) | #25210F | 0.064 |
| Deuteranopia (no green cones) | #2E290F | 0.060 |
| Tritanopia (no blue cones) | #491218 | 0.028 |
| Achromatopsia (no color) | #262626 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #421A10
#421A10
oklch(27.5% 0.065 35.2)
- #002E37
#002E37
oklch(27.7% 0.049 214.7)
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 #421A10, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.019
- Dark Brown #341C02 ΔE 0.039
- Mahogany #4A0100 ΔE 0.044
- Deep Brown #410200 ΔE 0.048
- Dark Maroon #3C0008 ΔE 0.060
- Jet #212529 ΔE 0.074
- Burgundy #610023 ΔE 0.083
- Dark Plum #3F012C ΔE 0.085
Use #421A10 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.