#420F28
Closest named color: Dark Plum (#3F012C). oklch(26.6% 0.083 354.1), rgb(66, 15, 40).
Aa
White text reads best on this color (15.78:1).
About this color
#420F28 is a dark, moderately saturated red. In OKLCH its lightness is 27%, its chroma 0.083 and its hue 354°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Plum (#3F012C), ΔE 0.032 away. White text reads best on it, at 15.78:1.
| Hue family | Reds |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.083) |
| Temperature | warm |
| Nearest name | Dark Plum (#3F012C) |
| Black text | 1.33:1 |
| White text | 15.78:1 |
Values
| HEX | #420F28 |
| RGB | rgb(66, 15, 40) |
| HSL | hsl(331, 63%, 16%) |
| OKLCH | oklch(26.6% 0.083 354.1) |
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 #420F28 | 15.78:1 | AAA | Lc -104.9 | Preferred for body text |
| Black text on #420F28 | 1.33:1 | Fails | Lc 0.0 | Not readable |
| #420F28 text on white | 15.78:1 | AAA | Lc 102.2 | Preferred for body text |
| #420F28 text on black | 1.33:1 | 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
#FDF2F6
oklch(97.1% 0.013 353.1)
-
Step 100
100
#FAE2EB
oklch(93.5% 0.029 352.9)
-
Step 200
200
#F8CBDB
oklch(88.5% 0.055 354.9)
-
Step 300
300
#F4A6C5
oklch(80.9% 0.099 354)
-
Step 400
400
#EA72A7
oklch(70.7% 0.158 354.1)
-
Step 500
500
#DF4591
oklch(63% 0.201 354.2)
-
Step 600
600
#CA167C
oklch(55.5% 0.219 353.9)
-
Step 700
700
#AE0068
oklch(49.1% 0.202 354.2)
-
Step 800
800
#8E0B55
oklch(42.8% 0.169 354.2)
-
Step 900
900
#721746
oklch(37.7% 0.132 354.1)
-
Step 950
950 (this color)
#420F28
oklch(26.6% 0.083 354.1)
#420F28 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) | #181D29 | 0.092 |
| Deuteranopia (no green cones) | #262627 | 0.083 |
| Tritanopia (no blue cones) | #480B19 | 0.029 |
| Achromatopsia (no color) | #232323 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #420F28
#420F28
oklch(26.6% 0.083 354.1)
- #002D24
#002D24
oklch(26.5% 0.05 175.3)
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 #420F28, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Plum #3F012C ΔE 0.032
- Aubergine #3D0734 ΔE 0.035
- Eggplant #380835 ΔE 0.043
- Eggplant Purple #430541 ΔE 0.053
- Dark Maroon #3C0008 ΔE 0.057
- Mahogany #4A0100 ΔE 0.061
- Dark Purple #35063E ΔE 0.062
- Deep Brown #410200 ΔE 0.063
Use #420F28 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.