#51384C
Closest named color: Purple Brown (#673A3F). oklch(37.7% 0.047 333.8), rgb(81, 56, 76).
Aa
White text reads best on this color (10.39:1).
About this color
#51384C is a dark, muted purple. In OKLCH its lightness is 38%, its chroma 0.047 and its hue 334°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.050 away. White text reads best on it, at 10.39:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | muted (0.047) |
| Temperature | in between |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.01:1 |
| White text | 10.39:1 |
Values
| HEX | #51384C |
| RGB | rgb(81, 56, 76) |
| HSL | hsl(312, 18%, 27%) |
| OKLCH | oklch(37.7% 0.047 333.8) |
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 #51384C | 10.39:1 | AAA | Lc -98.1 | Preferred for body text |
| Black text on #51384C | 2.01:1 | Fails | Lc 9.8 | Not readable |
| #51384C text on white | 10.39:1 | AAA | Lc 94.1 | Preferred for body text |
| #51384C text on black | 2.01:1 | Fails | Lc -8.5 | 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
#F7F4F7
oklch(97% 0.005 325.6)
-
Step 100
100
#EEE7ED
oklch(93.5% 0.011 330.2)
-
Step 200
200
#E2D5DF
oklch(88.6% 0.02 333.5)
-
Step 300
300
#D0B9CA
oklch(81% 0.035 335)
-
Step 400
400
#B794AF
oklch(70.7% 0.056 334.3)
-
Step 500
500
#A5799C
oklch(63.1% 0.073 333.8)
-
Step 600
600
#906287
oklch(55.7% 0.079 333.8)
-
Step 700
700
#7A5172
oklch(49.2% 0.072 333.8)
-
Step 800
800
#63425D
oklch(42.6% 0.061 333.2)
-
Step 900
900 (this color)
#51384C
oklch(37.7% 0.047 333.8)
-
Step 950
950
#30212D
oklch(27.1% 0.031 333.6)
#51384C 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) | #383E4D | 0.045 |
| Deuteranopia (no green cones) | #3E414B | 0.042 |
| Tritanopia (no blue cones) | #53393F | 0.024 |
| Achromatopsia (no color) | #404040 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51384C
#51384C
oklch(37.7% 0.047 333.8)
- #2D4936
#2D4936
oklch(37.7% 0.047 153.9)
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 #51384C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.050
- Charcoal Grey #3C4142 ΔE 0.052
- Onyx #343A40 ΔE 0.058
- Dark Grey Blue #29465B ΔE 0.071
- Charcoal #264653 ΔE 0.073
- Gunmetal #293241 ΔE 0.078
- Dark Blue Grey #1F3B4D ΔE 0.079
- Brownish Purple #76424E ΔE 0.080
Use #51384C 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.