#420D0B
Closest named color: Deep Brown (#410200). oklch(25.5% 0.082 26.9), rgb(66, 13, 11).
Aa
White text reads best on this color (16.22:1).
About this color
#420D0B is a dark, moderately saturated red. In OKLCH its lightness is 25%, its chroma 0.082 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Brown (#410200), ΔE 0.022 away. White text reads best on it, at 16.22:1.
| Hue family | Reds |
| Lightness | dark (25%) |
| Chroma | moderately saturated (0.082) |
| Temperature | warm |
| Nearest name | Deep Brown (#410200) |
| Black text | 1.29:1 |
| White text | 16.22:1 |
Values
| HEX | #420D0B |
| RGB | rgb(66, 13, 11) |
| HSL | hsl(2, 71%, 15%) |
| OKLCH | oklch(25.5% 0.082 26.9) |
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 #420D0B | 16.22:1 | AAA | Lc -105.2 | Preferred for body text |
| Black text on #420D0B | 1.29:1 | Fails | Lc 0.0 | Not readable |
| #420D0B text on white | 16.22:1 | AAA | Lc 102.5 | Preferred for body text |
| #420D0B text on black | 1.29:1 | 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
#FEF2F1
oklch(97% 0.013 23.2)
-
Step 100
100
#FCE3E0
oklch(93.5% 0.028 25.9)
-
Step 200
200
#FBCCC6
oklch(88.4% 0.054 26.7)
-
Step 300
300
#F9A99F
oklch(81% 0.096 27.2)
-
Step 400
400
#F2766B
oklch(70.8% 0.155 26.9)
-
Step 500
500
#E94942
oklch(63.2% 0.198 26.9)
-
Step 600
600
#D41A21
oklch(55.6% 0.215 26.8)
-
Step 700
700
#B70013
oklch(49% 0.2 26.8)
-
Step 800
800
#950E13
oklch(42.7% 0.166 26.9)
-
Step 900
900
#771917
oklch(37.6% 0.129 26.9)
-
Step 950
950 (this color)
#420D0B
oklch(25.5% 0.082 26.9)
#420D0B 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) | #1C190A | 0.088 |
| Deuteranopia (no green cones) | #2A2509 | 0.081 |
| Tritanopia (no blue cones) | #49000D | 0.024 |
| Achromatopsia (no color) | #202020 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #420D0B
#420D0B
oklch(25.5% 0.082 26.9)
- #00282D
#00282D
oklch(25.3% 0.043 207.4)
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 #420D0B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Brown #410200 ΔE 0.022
- Mahogany #4A0100 ΔE 0.023
- Dark Maroon #3C0008 ΔE 0.032
- Chocolate Brown #411900 ΔE 0.035
- Dark Brown #341C02 ΔE 0.051
- Dark Plum #3F012C ΔE 0.070
- Aubergine #3D0734 ΔE 0.079
- Burgundy #610023 ΔE 0.081
Use #420D0B 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.