#42104C
Closest named color: Deep Violet (#490648). oklch(28.8% 0.112 320.4), rgb(66, 16, 76).
Aa
White text reads best on this color (14.89:1).
About this color
#42104C is a dark, moderately saturated purple. In OKLCH its lightness is 29%, its chroma 0.112 and its hue 320°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Violet (#490648), ΔE 0.021 away. White text reads best on it, at 14.89:1.
| Hue family | Purples |
| Lightness | dark (29%) |
| Chroma | moderately saturated (0.112) |
| Temperature | in between |
| Nearest name | Deep Violet (#490648) |
| Black text | 1.41:1 |
| White text | 14.89:1 |
Values
| HEX | #42104C |
| RGB | rgb(66, 16, 76) |
| HSL | hsl(290, 65%, 18%) |
| OKLCH | oklch(28.8% 0.112 320.4) |
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 #42104C | 14.89:1 | AAA | Lc -104.1 | Preferred for body text |
| Black text on #42104C | 1.41:1 | Fails | Lc 0.0 | Not readable |
| #42104C text on white | 14.89:1 | AAA | Lc 101.1 | Preferred for body text |
| #42104C text on black | 1.41:1 | 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
#FBF2FD
oklch(97.1% 0.017 320.1)
-
Step 100
100
#F6E2FA
oklch(93.6% 0.038 320.6)
-
Step 200
200
#F0CAF8
oklch(88.6% 0.074 320.4)
-
Step 300
300
#E7A4F5
oklch(81% 0.132 320.5)
-
Step 400
400
#D96BF0
oklch(70.7% 0.212 320.4)
-
Step 500
500
#CD30EB
oklch(63.1% 0.272 320.4)
-
Step 600
600
#B200CF
oklch(55.5% 0.266 320.3)
-
Step 700
700
#9700AF
oklch(49.1% 0.235 320.6)
-
Step 800
800
#7C0091
oklch(42.6% 0.204 320.3)
-
Step 900
900
#680479
oklch(37.7% 0.177 320.5)
-
Step 950
950 (this color)
#42104C
oklch(28.8% 0.112 320.4)
#42104C 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) | #00244E | 0.112 |
| Deuteranopia (no green cones) | #16294B | 0.097 |
| Tritanopia (no blue cones) | #421B2D | 0.067 |
| Achromatopsia (no color) | #272727 | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42104C
#42104C
oklch(28.8% 0.112 320.4)
- #083500
#083500
oklch(28.8% 0.094 140.5)
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 #42104C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Violet #490648 ΔE 0.021
- Eggplant Purple #430541 ΔE 0.025
- Plum Purple #4E0550 ΔE 0.029
- Dark Purple #35063E ΔE 0.044
- Deep Purple #36013F ΔE 0.046
- Aubergine #3D0734 ΔE 0.047
- Eggplant #380835 ΔE 0.049
- Dark Plum #3F012C ΔE 0.062
Use #42104C 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.