#42275A
Closest named color: Plum Purple (#4E0550). oklch(33.2% 0.091 306.6), rgb(66, 39, 90).
Aa
White text reads best on this color (12.57:1).
About this color
#42275A is a dark, moderately saturated purple. In OKLCH its lightness is 33%, its chroma 0.091 and its hue 307°. 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 12.57:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.091) |
| Temperature | in between |
| Nearest name | Plum Purple (#4E0550) |
| Black text | 1.66:1 |
| White text | 12.57:1 |
Values
| HEX | #42275A |
| RGB | rgb(66, 39, 90) |
| HSL | hsl(272, 40%, 25%) |
| OKLCH | oklch(33.2% 0.091 306.6) |
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 #42275A | 12.57:1 | AAA | Lc -101.7 | Preferred for body text |
| Black text on #42275A | 1.66:1 | Fails | Lc 0.0 | Not readable |
| #42275A text on white | 12.57:1 | AAA | Lc 98.3 | Preferred for body text |
| #42275A text on black | 1.66:1 | 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
#F7F4FA
oklch(97.1% 0.009 308.4)
-
Step 100
100
#EDE7F5
oklch(93.7% 0.02 305.3)
-
Step 200
200
#DFD3ED
oklch(88.4% 0.037 306.4)
-
Step 300
300
#CCB6E4
oklch(81% 0.068 306.6)
-
Step 400
400
#B28ED6
oklch(70.6% 0.109 306.7)
-
Step 500
500
#9F71CB
oklch(63.2% 0.139 306.4)
-
Step 600
600
#8A57B8
oklch(55.6% 0.152 306.4)
-
Step 700
700
#75479E
oklch(49.1% 0.14 306.4)
-
Step 800
800
#5F3B80
oklch(42.7% 0.115 306.2)
-
Step 900
900 (this color)
#42275A
oklch(33.2% 0.091 306.6)
-
Step 950
950
#2E1E3C
oklch(27% 0.058 307.5)
#42275A 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) | #17325C | 0.071 |
| Deuteranopia (no green cones) | #203459 | 0.064 |
| Tritanopia (no blue cones) | #3E303C | 0.066 |
| Achromatopsia (no color) | #333333 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42275A
#42275A
oklch(33.2% 0.091 306.6)
- #2A3D00
#2A3D00
oklch(33.1% 0.085 126.7)
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 #42275A, 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 0.065
- Space Cadet #2B2D42 ΔE 0.065
- Deep Violet #490648 ΔE 0.068
- Prussian Blue #1D3557 ΔE 0.069
- Royal Purple #4B006E ΔE 0.072
- Gunmetal #293241 ΔE 0.075
- Eggplant Purple #430541 ΔE 0.077
Use #42275A 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.