#451D5B
Closest named color: Plum Purple (#4E0550). oklch(32.1% 0.11 311.5), rgb(69, 29, 91).
Aa
White text reads best on this color (13.29:1).
About this color
#451D5B is a dark, moderately saturated purple. In OKLCH its lightness is 32%, its chroma 0.110 and its hue 311°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Plum Purple (#4E0550), ΔE 0.044 away. White text reads best on it, at 13.29:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.110) |
| Temperature | in between |
| Nearest name | Plum Purple (#4E0550) |
| Black text | 1.57:1 |
| White text | 13.29:1 |
Values
| HEX | #451D5B |
| RGB | rgb(69, 29, 91) |
| HSL | hsl(279, 52%, 24%) |
| OKLCH | oklch(32.1% 0.11 311.5) |
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 #451D5B | 13.29:1 | AAA | Lc -102.5 | Preferred for body text |
| Black text on #451D5B | 1.57:1 | Fails | Lc 0.0 | Not readable |
| #451D5B text on white | 13.29:1 | AAA | Lc 99.2 | Preferred for body text |
| #451D5B text on black | 1.57:1 | 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
#F9F2FE
oklch(97% 0.017 311.6)
-
Step 100
100
#F2E3FD
oklch(93.5% 0.038 311.1)
-
Step 200
200
#E9CCFD
oklch(88.5% 0.073 311.4)
-
Step 300
300
#DCA8FE
oklch(80.9% 0.13 311.3)
-
Step 400
400
#CB72FE
oklch(70.8% 0.21 311.5)
-
Step 500
500
#BD3EFB
oklch(63.1% 0.267 311.6)
-
Step 600
600
#A700E6
oklch(55.7% 0.279 311.5)
-
Step 700
700
#8D00C3
oklch(49.2% 0.247 311.4)
-
Step 800
800
#7400A1
oklch(42.7% 0.214 311.5)
-
Step 900
900
#5F1083
oklch(37.7% 0.175 311.4)
-
Step 950
950 (this color)
#451D5B
oklch(32.1% 0.11 311.5)
#451D5B 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) | #022E5D | 0.101 |
| Deuteranopia (no green cones) | #17305A | 0.087 |
| Tritanopia (no blue cones) | #422939 | 0.075 |
| Achromatopsia (no color) | #303030 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #451D5B
#451D5B
oklch(32.1% 0.11 311.5)
- #223B00
#223B00
oklch(31.9% 0.087 131.1)
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 #451D5B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Plum Purple #4E0550 ΔE 0.044
- Deep Violet #490648 ΔE 0.049
- Royal Purple #4B006E ΔE 0.051
- Grape Purple #5D1451 ΔE 0.056
- Eggplant Purple #430541 ΔE 0.061
- Indigo #4B0082 ΔE 0.075
- Dark Purple #35063E ΔE 0.078
- Deep Purple #36013F ΔE 0.081
Use #451D5B 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.