#420313
Closest named color: Dark Maroon (#3C0008). oklch(24.5% 0.093 13.5), rgb(66, 3, 19).
Aa
White text reads best on this color (16.74:1).
About this color
#420313 is a very dark, moderately saturated red. In OKLCH its lightness is 25%, its chroma 0.093 and its hue 13°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.023 away. White text reads best on it, at 16.74:1.
| Hue family | Reds |
| Lightness | very dark (25%) |
| Chroma | moderately saturated (0.093) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.25:1 |
| White text | 16.74:1 |
Values
| HEX | #420313 |
| RGB | rgb(66, 3, 19) |
| HSL | hsl(345, 91%, 14%) |
| OKLCH | oklch(24.5% 0.093 13.5) |
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 #420313 | 16.74:1 | AAA | Lc -105.3 | Preferred for body text |
| Black text on #420313 | 1.25:1 | Fails | Lc 0.0 | Not readable |
| #420313 text on white | 16.74:1 | AAA | Lc 102.7 | Preferred for body text |
| #420313 text on black | 1.25:1 | 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
#FFF2F3
oklch(97.2% 0.014 12)
-
Step 100
100
#FEE2E4
oklch(93.6% 0.031 12.8)
-
Step 200
200
#FFC9CD
oklch(88.4% 0.062 13.4)
-
Step 300
300
#FFA3AC
oklch(80.9% 0.11 13.4)
-
Step 400
400
#F96A80
oklch(70.6% 0.175 13.4)
-
Step 500
500
#F13160
oklch(63% 0.224 13.5)
-
Step 600
600
#D5004C
oklch(55.6% 0.222 13.3)
-
Step 700
700
#B4003F
oklch(49% 0.196 13.2)
-
Step 800
800
#950032
oklch(42.6% 0.17 13.6)
-
Step 900
900
#7C062A
oklch(37.7% 0.146 13.3)
-
Step 950
950 (this color)
#420313
oklch(24.5% 0.093 13.5)
#420313 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) | #161513 | 0.104 |
| Deuteranopia (no green cones) | #262211 | 0.094 |
| Tritanopia (no blue cones) | #490009 | 0.021 |
| Achromatopsia (no color) | #1E1E1E | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #420313
#420313
oklch(24.5% 0.093 13.5)
- #002726
#002726
oklch(24.6% 0.042 192.2)
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 #420313, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.023
- Deep Brown #410200 ΔE 0.028
- Mahogany #4A0100 ΔE 0.033
- Dark Plum #3F012C ΔE 0.050
- Chocolate Brown #411900 ΔE 0.060
- Aubergine #3D0734 ΔE 0.062
- Eggplant #380835 ΔE 0.068
- Dark Brown #341C02 ΔE 0.073
Use #420313 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.