#420527
Closest named color: Dark Plum (#3F012C). oklch(25.5% 0.096 352.5), rgb(66, 5, 39).
Aa
White text reads best on this color (16.37:1).
About this color
#420527 is a dark, moderately saturated red. In OKLCH its lightness is 25%, its chroma 0.096 and its hue 353°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Plum (#3F012C), ΔE 0.017 away. White text reads best on it, at 16.37:1.
| Hue family | Reds |
| Lightness | dark (25%) |
| Chroma | moderately saturated (0.096) |
| Temperature | warm |
| Nearest name | Dark Plum (#3F012C) |
| Black text | 1.28:1 |
| White text | 16.37:1 |
Values
| HEX | #420527 |
| RGB | rgb(66, 5, 39) |
| HSL | hsl(327, 86%, 14%) |
| OKLCH | oklch(25.5% 0.096 352.5) |
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 #420527 | 16.37:1 | AAA | Lc -105.1 | Preferred for body text |
| Black text on #420527 | 1.28:1 | Fails | Lc 0.0 | Not readable |
| #420527 text on white | 16.37:1 | AAA | Lc 102.5 | Preferred for body text |
| #420527 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
#FEF1F6
oklch(97% 0.015 352)
-
Step 100
100
#FDE1EC
oklch(93.6% 0.034 352)
-
Step 200
200
#FCC9DD
oklch(88.6% 0.063 353)
-
Step 300
300
#FAA1C8
oklch(80.9% 0.115 352.1)
-
Step 400
400
#F268AB
oklch(70.6% 0.183 352.5)
-
Step 500
500
#E92F97
oklch(63.1% 0.234 352.4)
-
Step 600
600
#CD0080
oklch(55.7% 0.23 352.5)
-
Step 700
700
#AD006B
oklch(49% 0.203 352.6)
-
Step 800
800
#8F0058
oklch(42.7% 0.177 352.4)
-
Step 900
900
#770549
oklch(37.6% 0.152 352.4)
-
Step 950
950 (this color)
#420527
oklch(25.5% 0.096 352.5)
#420527 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) | #111928 | 0.110 |
| Deuteranopia (no green cones) | #232426 | 0.096 |
| Tritanopia (no blue cones) | #480015 | 0.035 |
| Achromatopsia (no color) | #202020 | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #420527
#420527
oklch(25.5% 0.096 352.5)
- #002A20
#002A20
oklch(25.4% 0.049 172.4)
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 #420527, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Plum #3F012C ΔE 0.017
- Aubergine #3D0734 ΔE 0.028
- Eggplant #380835 ΔE 0.037
- Eggplant Purple #430541 ΔE 0.049
- Dark Maroon #3C0008 ΔE 0.054
- Dark Purple #35063E ΔE 0.057
- Deep Purple #36013F ΔE 0.060
- Deep Violet #490648 ΔE 0.062
Use #420527 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.