#451B5F
Closest named color: Royal Purple (#4B006E). oklch(32.1% 0.118 309.7), rgb(69, 27, 95).
Aa
White text reads best on this color (13.33:1).
About this color
#451B5F is a dark, moderately saturated purple. In OKLCH its lightness is 32%, its chroma 0.118 and its hue 310°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Royal Purple (#4B006E), ΔE 0.044 away. White text reads best on it, at 13.33:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.118) |
| Temperature | in between |
| Nearest name | Royal Purple (#4B006E) |
| Black text | 1.57:1 |
| White text | 13.33:1 |
Values
| HEX | #451B5F |
| RGB | rgb(69, 27, 95) |
| HSL | hsl(277, 56%, 24%) |
| OKLCH | oklch(32.1% 0.118 309.7) |
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 #451B5F | 13.33:1 | AAA | Lc -102.5 | Preferred for body text |
| Black text on #451B5F | 1.57:1 | Fails | Lc 0.0 | Not readable |
| #451B5F text on white | 13.33:1 | AAA | Lc 99.2 | Preferred for body text |
| #451B5F 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
#F9F2FF
oklch(97% 0.019 309.8)
-
Step 100
100
#F2E3FF
oklch(93.6% 0.041 309.5)
-
Step 200
200
#E8CCFF
oklch(88.5% 0.075 309.6)
-
Step 300
300
#DAA9FF
oklch(81% 0.128 309.8)
-
Step 400
400
#C774FF
oklch(70.7% 0.207 309.7)
-
Step 500
500
#BA40FF
oklch(63.2% 0.268 309.7)
-
Step 600
600
#A400EA
oklch(55.6% 0.282 309.6)
-
Step 700
700
#8A00C6
oklch(49% 0.248 309.6)
-
Step 800
800
#7200A4
oklch(42.7% 0.216 309.7)
-
Step 900
900
#5F0589
oklch(37.7% 0.187 309.7)
-
Step 950
950 (this color)
#451B5F
oklch(32.1% 0.118 309.7)
#451B5F 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) | #002E61 | 0.103 |
| Deuteranopia (no green cones) | #10305D | 0.095 |
| Tritanopia (no blue cones) | #41293A | 0.082 |
| Achromatopsia (no color) | #2F2F2F | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #451B5F
#451B5F
oklch(32.1% 0.118 309.7)
- #243B00
#243B00
oklch(32.1% 0.086 129.8)
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 #451B5F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Purple #4B006E ΔE 0.044
- Plum Purple #4E0550 ΔE 0.045
- Deep Violet #490648 ΔE 0.052
- Grape Purple #5D1451 ΔE 0.059
- Eggplant Purple #430541 ΔE 0.064
- Indigo #4B0082 ΔE 0.067
- Dark Purple #35063E ΔE 0.080
- Deep Purple #36013F ΔE 0.082
Use #451B5F 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.