#42275C
Closest named color: Plum Purple (#4E0550). oklch(33.4% 0.094 305.4), rgb(66, 39, 92).
Aa
White text reads best on this color (12.52:1).
About this color
#42275C is a dark, moderately saturated purple. In OKLCH its lightness is 33%, its chroma 0.094 and its hue 305°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Plum Purple (#4E0550), ΔE 0.065 away. White text reads best on it, at 12.52:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.094) |
| Temperature | in between |
| Nearest name | Plum Purple (#4E0550) |
| Black text | 1.67:1 |
| White text | 12.52:1 |
Values
| HEX | #42275C |
| RGB | rgb(66, 39, 92) |
| HSL | hsl(271, 40%, 26%) |
| OKLCH | oklch(33.4% 0.094 305.4) |
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 #42275C | 12.52:1 | AAA | Lc -101.6 | Preferred for body text |
| Black text on #42275C | 1.67:1 | Fails | Lc 0.0 | Not readable |
| #42275C text on white | 12.52:1 | AAA | Lc 98.2 | Preferred for body text |
| #42275C text on black | 1.67:1 | 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 900.
-
Step 50
50
#F7F4FB
oklch(97.1% 0.01 305.4)
-
Step 100
100
#EDE7F5
oklch(93.7% 0.02 305.3)
-
Step 200
200
#DFD3EE
oklch(88.5% 0.039 305.6)
-
Step 300
300
#CBB6E5
oklch(80.9% 0.069 305.2)
-
Step 400
400
#B18ED8
oklch(70.6% 0.112 305.4)
-
Step 500
500
#9E70CE
oklch(63% 0.144 305.2)
-
Step 600
600
#8A56BB
oklch(55.6% 0.157 305.7)
-
Step 700
700
#7546A1
oklch(49.1% 0.145 305.6)
-
Step 800
800
#5F3A82
oklch(42.7% 0.12 305.7)
-
Step 900
900 (this color)
#42275C
oklch(33.4% 0.094 305.4)
-
Step 950
950
#2D1E3D
oklch(26.9% 0.059 305.1)
#42275C 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) | #15335E | 0.073 |
| Deuteranopia (no green cones) | #1E345B | 0.066 |
| Tritanopia (no blue cones) | #3E313D | 0.069 |
| Achromatopsia (no color) | #343434 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42275C
#42275C
oklch(33.4% 0.094 305.4)
- #2C3D00
#2C3D00
oklch(33.3% 0.084 125.3)
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 #42275C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Plum Purple #4E0550 ΔE 0.065
- Grape Purple #5D1451 ΔE 0.066
- Space Cadet #2B2D42 ΔE 0.068
- Deep Violet #490648 ΔE 0.069
- Prussian Blue #1D3557 ΔE 0.070
- Royal Purple #4B006E ΔE 0.070
- Gunmetal #293241 ΔE 0.078
- Eggplant Purple #430541 ΔE 0.079
Use #42275C 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.