#51304E
Closest named color: Grape Purple (#5D1451). oklch(36.2% 0.066 330.1), rgb(81, 48, 78).
Aa
White text reads best on this color (11.15:1).
About this color
#51304E is a dark, muted purple. In OKLCH its lightness is 36%, its chroma 0.066 and its hue 330°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.064 away. White text reads best on it, at 11.15:1.
| Hue family | Purples |
| Lightness | dark (36%) |
| Chroma | muted (0.066) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.88:1 |
| White text | 11.15:1 |
Values
| HEX | #51304E |
| RGB | rgb(81, 48, 78) |
| HSL | hsl(305, 26%, 25%) |
| OKLCH | oklch(36.2% 0.066 330.1) |
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 #51304E | 11.15:1 | AAA | Lc -99.4 | Preferred for body text |
| Black text on #51304E | 1.88:1 | Fails | Lc 8.3 | Not readable |
| #51304E text on white | 11.15:1 | AAA | Lc 95.6 | Preferred for body text |
| #51304E text on black | 1.88:1 | 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
#F8F4F8
oklch(97.1% 0.007 325.6)
-
Step 100
100
#F0E7EE
oklch(93.7% 0.013 333)
-
Step 200
200
#E4D3E2
oklch(88.5% 0.027 329.5)
-
Step 300
300
#D4B6D0
oklch(81% 0.049 330.4)
-
Step 400
400
#BD8FB8
oklch(70.7% 0.079 330.1)
-
Step 500
500
#AC72A7
oklch(63% 0.102 329.7)
-
Step 600
600
#975A92
oklch(55.6% 0.11 329.9)
-
Step 700
700
#81497C
oklch(49% 0.104 330.3)
-
Step 800
800
#693D65
oklch(42.8% 0.084 330.2)
-
Step 900
900 (this color)
#51304E
oklch(36.2% 0.066 330.1)
-
Step 950
950
#321F30
oklch(27.1% 0.041 330.4)
#51304E 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) | #2F384F | 0.063 |
| Deuteranopia (no green cones) | #373D4D | 0.058 |
| Tritanopia (no blue cones) | #53323B | 0.036 |
| Achromatopsia (no color) | #3B3B3B | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51304E
#51304E
oklch(36.2% 0.066 330.1)
- #21472A
#21472A
oklch(36.1% 0.066 149.7)
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 #51304E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.064
- Purple Brown #673A3F ΔE 0.065
- Onyx #343A40 ΔE 0.068
- Charcoal Grey #3C4142 ΔE 0.071
- Space Cadet #2B2D42 ΔE 0.076
- Gunmetal #293241 ΔE 0.078
- Dark Grey Blue #29465B ΔE 0.085
- Dark Blue Grey #1F3B4D ΔE 0.085
Use #51304E 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.