#451B52
Closest named color: Plum Purple (#4E0550). oklch(31.1% 0.103 317.4), rgb(69, 27, 82).
Aa
White text reads best on this color (13.71:1).
About this color
#451B52 is a dark, moderately saturated purple. In OKLCH its lightness is 31%, its chroma 0.103 and its hue 317°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Plum Purple (#4E0550), ΔE 0.037 away. White text reads best on it, at 13.71:1.
| Hue family | Purples |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.103) |
| Temperature | in between |
| Nearest name | Plum Purple (#4E0550) |
| Black text | 1.53:1 |
| White text | 13.71:1 |
Values
| HEX | #451B52 |
| RGB | rgb(69, 27, 82) |
| HSL | hsl(286, 50%, 21%) |
| OKLCH | oklch(31.1% 0.103 317.4) |
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 #451B52 | 13.71:1 | AAA | Lc -103.0 | Preferred for body text |
| Black text on #451B52 | 1.53:1 | Fails | Lc 0.0 | Not readable |
| #451B52 text on white | 13.71:1 | AAA | Lc 99.8 | Preferred for body text |
| #451B52 text on black | 1.53:1 | 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
#FAF2FD
oklch(97% 0.017 316.9)
-
Step 100
100
#F4E3FA
oklch(93.6% 0.036 317.3)
-
Step 200
200
#ECCCF7
oklch(88.5% 0.067 317.4)
-
Step 300
300
#E1A7F4
oklch(80.8% 0.122 317.6)
-
Step 400
400
#D173EF
oklch(70.8% 0.195 317.4)
-
Step 500
500
#C342E9
oklch(63% 0.25 317.3)
-
Step 600
600
#AF00D7
oklch(55.7% 0.271 317.4)
-
Step 700
700
#9400B6
oklch(49.2% 0.239 317.5)
-
Step 800
800
#7A0096
oklch(42.7% 0.207 317.7)
-
Step 900
900
#621478
oklch(37.6% 0.163 317.3)
-
Step 950
950 (this color)
#451B52
oklch(31.1% 0.103 317.4)
#451B52 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) | #0B2B54 | 0.098 |
| Deuteranopia (no green cones) | #1D2F51 | 0.085 |
| Tritanopia (no blue cones) | #452433 | 0.066 |
| Achromatopsia (no color) | #2D2D2D | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #451B52
#451B52
oklch(31.1% 0.103 317.4)
- #153B00
#153B00
oklch(31.2% 0.095 137.3)
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 #451B52, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Plum Purple #4E0550 ΔE 0.037
- Deep Violet #490648 ΔE 0.038
- Eggplant Purple #430541 ΔE 0.048
- Grape Purple #5D1451 ΔE 0.053
- Royal Purple #4B006E ΔE 0.062
- Aubergine #3D0734 ΔE 0.066
- Dark Purple #35063E ΔE 0.066
- Eggplant #380835 ΔE 0.070
Use #451B52 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.