#420B11
Closest named color: Deep Brown (#410200). oklch(25.3% 0.083 19.7), rgb(66, 11, 17).
Aa
White text reads best on this color (16.30:1).
About this color
#420B11 is a dark, moderately saturated red. In OKLCH its lightness is 25%, its chroma 0.083 and its hue 20°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Brown (#410200), ΔE 0.025 away. White text reads best on it, at 16.30:1.
| Hue family | Reds |
| Lightness | dark (25%) |
| Chroma | moderately saturated (0.083) |
| Temperature | warm |
| Nearest name | Deep Brown (#410200) |
| Black text | 1.28:1 |
| White text | 16.30:1 |
Values
| HEX | #420B11 |
| RGB | rgb(66, 11, 17) |
| HSL | hsl(353, 71%, 15%) |
| OKLCH | oklch(25.3% 0.083 19.7) |
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 #420B11 | 16.30:1 | AAA | Lc -105.2 | Preferred for body text |
| Black text on #420B11 | 1.28:1 | Fails | Lc 0.0 | Not readable |
| #420B11 text on white | 16.30:1 | AAA | Lc 102.6 | Preferred for body text |
| #420B11 text on black | 1.28:1 | 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
#FEF2F2
oklch(97.1% 0.013 17.4)
-
Step 100
100
#FDE3E2
oklch(93.7% 0.029 20.3)
-
Step 200
200
#FCCBCA
oklch(88.4% 0.056 19.6)
-
Step 300
300
#FAA7A7
oklch(80.9% 0.099 19.4)
-
Step 400
400
#F37377
oklch(70.8% 0.158 20)
-
Step 500
500
#EA4455
oklch(63.1% 0.202 19.6)
-
Step 600
600
#D50C3A
oklch(55.5% 0.219 19.6)
-
Step 700
700
#B6002E
oklch(49.1% 0.197 19.8)
-
Step 800
800
#960525
oklch(42.8% 0.169 20)
-
Step 900
900
#781623
oklch(37.7% 0.131 19.7)
-
Step 950
950 (this color)
#420B11
oklch(25.3% 0.083 19.7)
#420B11 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) | #1B1911 | 0.090 |
| Deuteranopia (no green cones) | #28240F | 0.084 |
| Tritanopia (no blue cones) | #49000E | 0.020 |
| Achromatopsia (no color) | #202020 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #420B11
#420B11
oklch(25.3% 0.083 19.7)
- #00292A
#00292A
oklch(25.5% 0.043 197.3)
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 #420B11, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Brown #410200 ΔE 0.025
- Mahogany #4A0100 ΔE 0.027
- Dark Maroon #3C0008 ΔE 0.029
- Chocolate Brown #411900 ΔE 0.044
- Dark Brown #341C02 ΔE 0.059
- Dark Plum #3F012C ΔE 0.060
- Aubergine #3D0734 ΔE 0.069
- Eggplant #380835 ΔE 0.075
Use #420B11 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.