#420C18
Closest named color: Dark Maroon (#3C0008). oklch(25.6% 0.082 12.4), rgb(66, 12, 24).
Aa
White text reads best on this color (16.18:1).
About this color
#420C18 is a dark, moderately saturated red. In OKLCH its lightness is 26%, its chroma 0.082 and its hue 12°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.034 away. White text reads best on it, at 16.18:1.
| Hue family | Reds |
| Lightness | dark (26%) |
| Chroma | moderately saturated (0.082) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.29:1 |
| White text | 16.18:1 |
Values
| HEX | #420C18 |
| RGB | rgb(66, 12, 24) |
| HSL | hsl(347, 69%, 15%) |
| OKLCH | oklch(25.6% 0.082 12.4) |
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 #420C18 | 16.18:1 | AAA | Lc -105.2 | Preferred for body text |
| Black text on #420C18 | 1.29:1 | Fails | Lc 0.0 | Not readable |
| #420C18 text on white | 16.18:1 | AAA | Lc 102.5 | Preferred for body text |
| #420C18 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
#FEF2F3
oklch(97.1% 0.013 11.5)
-
Step 100
100
#FCE3E5
oklch(93.7% 0.028 12.1)
-
Step 200
200
#FBCBCF
oklch(88.5% 0.055 12.6)
-
Step 300
300
#F8A7AF
oklch(80.9% 0.096 12.9)
-
Step 400
400
#F17286
oklch(70.7% 0.157 12.2)
-
Step 500
500
#E74468
oklch(63% 0.199 12.2)
-
Step 600
600
#D3104F
oklch(55.7% 0.217 12.6)
-
Step 700
700
#B40041
oklch(49.1% 0.196 12.4)
-
Step 800
800
#940735
oklch(42.8% 0.167 12.5)
-
Step 900
900
#77162E
oklch(37.7% 0.131 12.5)
-
Step 950
950 (this color)
#420C18
oklch(25.6% 0.082 12.4)
#420C18 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) | #1A1A18 | 0.091 |
| Deuteranopia (no green cones) | #282517 | 0.084 |
| Tritanopia (no blue cones) | #490211 | 0.020 |
| Achromatopsia (no color) | #212121 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #420C18
#420C18
oklch(25.6% 0.082 12.4)
- #002A29
#002A29
oklch(25.8% 0.044 192.3)
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 #420C18, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.034
- Deep Brown #410200 ΔE 0.035
- Mahogany #4A0100 ΔE 0.036
- Dark Plum #3F012C ΔE 0.050
- Chocolate Brown #411900 ΔE 0.051
- Aubergine #3D0734 ΔE 0.059
- Eggplant #380835 ΔE 0.065
- Dark Brown #341C02 ΔE 0.065
Use #420C18 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.