#420A0D
Closest named color: Deep Brown (#410200). oklch(25.2% 0.085 23.2), rgb(66, 10, 13).
Aa
White text reads best on this color (16.39:1).
About this color
#420A0D is a dark, moderately saturated red. In OKLCH its lightness is 25%, its chroma 0.085 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Brown (#410200), ΔE 0.020 away. White text reads best on it, at 16.39:1.
| Hue family | Reds |
| Lightness | dark (25%) |
| Chroma | moderately saturated (0.085) |
| Temperature | warm |
| Nearest name | Deep Brown (#410200) |
| Black text | 1.28:1 |
| White text | 16.39:1 |
Values
| HEX | #420A0D |
| RGB | rgb(66, 10, 13) |
| HSL | hsl(357, 74%, 15%) |
| OKLCH | oklch(25.2% 0.085 23.2) |
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 #420A0D | 16.39:1 | AAA | Lc -105.3 | Preferred for body text |
| Black text on #420A0D | 1.28:1 | Fails | Lc 0.0 | Not readable |
| #420A0D text on white | 16.39:1 | AAA | Lc 102.6 | Preferred for body text |
| #420A0D 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
#FEF2F1
oklch(97% 0.013 23.2)
-
Step 100
100
#FDE3E1
oklch(93.6% 0.029 23)
-
Step 200
200
#FCCBC8
oklch(88.4% 0.056 22.4)
-
Step 300
300
#FBA7A2
oklch(80.9% 0.1 23.3)
-
Step 400
400
#F47270
oklch(70.6% 0.161 22.9)
-
Step 500
500
#EC434A
oklch(63.2% 0.205 23.2)
-
Step 600
600
#D7052C
oklch(55.6% 0.223 23.2)
-
Step 700
700
#B70023
oklch(49.2% 0.199 23.2)
-
Step 800
800
#97021C
oklch(42.8% 0.171 23.1)
-
Step 900
900
#79151C
oklch(37.7% 0.134 23.4)
-
Step 950
950 (this color)
#420A0D
oklch(25.2% 0.085 23.2)
#420A0D 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) | #1B180D | 0.091 |
| Deuteranopia (no green cones) | #29240B | 0.084 |
| Tritanopia (no blue cones) | #49000C | 0.020 |
| Achromatopsia (no color) | #1F1F1F | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #420A0D
#420A0D
oklch(25.2% 0.085 23.2)
- #00282B
#00282B
oklch(25.2% 0.043 202.4)
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 #420A0D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Brown #410200 ΔE 0.020
- Mahogany #4A0100 ΔE 0.023
- Dark Maroon #3C0008 ΔE 0.027
- Chocolate Brown #411900 ΔE 0.042
- Dark Brown #341C02 ΔE 0.057
- Dark Plum #3F012C ΔE 0.065
- Aubergine #3D0734 ΔE 0.075
- Burgundy #610023 ΔE 0.079
Use #420A0D 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.