#51334D
Closest named color: Purple Brown (#673A3F). oklch(36.7% 0.059 331.5), rgb(81, 51, 77).
Aa
White text reads best on this color (10.87:1).
About this color
#51334D is a dark, muted purple. In OKLCH its lightness is 37%, its chroma 0.059 and its hue 332°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.058 away. White text reads best on it, at 10.87:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | muted (0.059) |
| Temperature | in between |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 1.93:1 |
| White text | 10.87:1 |
Values
| HEX | #51334D |
| RGB | rgb(81, 51, 77) |
| HSL | hsl(308, 23%, 26%) |
| OKLCH | oklch(36.7% 0.059 331.5) |
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 #51334D | 10.87:1 | AAA | Lc -99.0 | Preferred for body text |
| Black text on #51334D | 1.93:1 | Fails | Lc 8.8 | Not readable |
| #51334D text on white | 10.87:1 | AAA | Lc 95.1 | Preferred for body text |
| #51334D text on black | 1.93:1 | Fails | Lc -7.6 | 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
#F8F4F7
oklch(97.1% 0.006 334)
-
Step 100
100
#EFE7EE
oklch(93.6% 0.013 329.6)
-
Step 200
200
#E3D4E1
oklch(88.6% 0.024 330)
-
Step 300
300
#D2B7CE
oklch(80.9% 0.044 330.9)
-
Step 400
400
#BB91B5
oklch(70.8% 0.07 331.2)
-
Step 500
500
#AA75A2
oklch(63.2% 0.09 332)
-
Step 600
600
#945D8D
oklch(55.6% 0.097 331.4)
-
Step 700
700
#7E4C78
oklch(49% 0.092 331.3)
-
Step 800
800
#673F62
oklch(42.8% 0.076 331.4)
-
Step 900
900 (this color)
#51334D
oklch(36.7% 0.059 331.5)
-
Step 950
950
#31202F
oklch(27.1% 0.037 330.6)
#51334D 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) | #323A4E | 0.057 |
| Deuteranopia (no green cones) | #3A3E4C | 0.051 |
| Tritanopia (no blue cones) | #53353C | 0.032 |
| Achromatopsia (no color) | #3D3D3D | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51334D
#51334D
oklch(36.7% 0.059 331.5)
- #25482F
#25482F
oklch(36.7% 0.06 151.7)
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 #51334D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.058
- Onyx #343A40 ΔE 0.063
- Charcoal Grey #3C4142 ΔE 0.063
- Grape Purple #5D1451 ΔE 0.073
- Gunmetal #293241 ΔE 0.077
- Space Cadet #2B2D42 ΔE 0.077
- Dark Grey Blue #29465B ΔE 0.079
- Dark Blue Grey #1F3B4D ΔE 0.082
Use #51334D 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.