#420A1C
Closest named color: Dark Maroon (#3C0008). oklch(25.5% 0.085 6.7), rgb(66, 10, 28).
Aa
White text reads best on this color (16.25:1).
About this color
#420A1C is a dark, moderately saturated red. In OKLCH its lightness is 26%, its chroma 0.085 and its hue 7°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.037 away. White text reads best on it, at 16.25:1.
| Hue family | Reds |
| Lightness | dark (26%) |
| Chroma | moderately saturated (0.085) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.29:1 |
| White text | 16.25:1 |
Values
| HEX | #420A1C |
| RGB | rgb(66, 10, 28) |
| HSL | hsl(341, 74%, 15%) |
| OKLCH | oklch(25.5% 0.085 6.7) |
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 #420A1C | 16.25:1 | AAA | Lc -105.2 | Preferred for body text |
| Black text on #420A1C | 1.29:1 | Fails | Lc 0.0 | Not readable |
| #420A1C text on white | 16.25:1 | AAA | Lc 102.5 | Preferred for body text |
| #420A1C 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
#FEF2F4
oklch(97.1% 0.013 5.8)
-
Step 100
100
#FCE2E6
oklch(93.5% 0.029 7.1)
-
Step 200
200
#FBCAD3
oklch(88.4% 0.057 6)
-
Step 300
300
#F9A5B6
oklch(80.9% 0.101 6.3)
-
Step 400
400
#F17090
oklch(70.7% 0.161 6.6)
-
Step 500
500
#E83F75
oklch(63% 0.207 6.4)
-
Step 600
600
#D3005D
oklch(55.6% 0.223 6.9)
-
Step 700
700
#B2004E
oklch(49% 0.197 6.6)
-
Step 800
800
#94003F
oklch(42.8% 0.171 6.9)
-
Step 900
900
#771336
oklch(37.7% 0.135 6.4)
-
Step 950
950 (this color)
#420A1C
oklch(25.5% 0.085 6.7)
#420A1C 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) | #18191C | 0.096 |
| Deuteranopia (no green cones) | #27241B | 0.086 |
| Tritanopia (no blue cones) | #490112 | 0.022 |
| Achromatopsia (no color) | #202020 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #420A1C
#420A1C
oklch(25.5% 0.085 6.7)
- #002A26
#002A26
oklch(25.6% 0.045 185.2)
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 #420A1C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.037
- Dark Plum #3F012C ΔE 0.041
- Deep Brown #410200 ΔE 0.042
- Mahogany #4A0100 ΔE 0.042
- Aubergine #3D0734 ΔE 0.050
- Eggplant #380835 ΔE 0.057
- Chocolate Brown #411900 ΔE 0.060
- Eggplant Purple #430541 ΔE 0.072
Use #420A1C 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.