#51385B
Closest named color: Purple Brown (#673A3F). oklch(38.4% 0.066 316), rgb(81, 56, 91).
Aa
White text reads best on this color (10.16:1).
About this color
#51385B is a dark, muted purple. In OKLCH its lightness is 38%, its chroma 0.066 and its hue 316°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.066 away. White text reads best on it, at 10.16:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | muted (0.066) |
| Temperature | in between |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.06:1 |
| White text | 10.16:1 |
Values
| HEX | #51385B |
| RGB | rgb(81, 56, 91) |
| HSL | hsl(283, 24%, 29%) |
| OKLCH | oklch(38.4% 0.066 316) |
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 #51385B | 10.16:1 | AAA | Lc -97.6 | Preferred for body text |
| Black text on #51385B | 2.06:1 | Fails | Lc 10.4 | Not readable |
| #51385B text on white | 10.16:1 | AAA | Lc 93.5 | Preferred for body text |
| #51385B text on black | 2.06:1 | Fails | Lc -9.0 | 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
#F7F4F8
oklch(97.1% 0.006 317.8)
-
Step 100
100
#EEE7F0
oklch(93.6% 0.014 318.7)
-
Step 200
200
#E0D4E6
oklch(88.5% 0.028 314.7)
-
Step 300
300
#CDB7D7
oklch(80.8% 0.05 315.3)
-
Step 400
400
#B492C2
oklch(70.7% 0.078 316)
-
Step 500
500
#A176B3
oklch(63.1% 0.101 315.6)
-
Step 600
600
#8C5E9E
oklch(55.6% 0.109 316.1)
-
Step 700
700
#774D87
oklch(49% 0.102 316.2)
-
Step 800
800
#61406E
oklch(42.8% 0.084 316)
-
Step 900
900 (this color)
#51385B
oklch(38.4% 0.066 316)
-
Step 950
950
#2E2034
oklch(27% 0.041 315.5)
#51385B 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) | #33405C | 0.053 |
| Deuteranopia (no green cones) | #39425A | 0.049 |
| Tritanopia (no blue cones) | #513C45 | 0.043 |
| Achromatopsia (no color) | #414141 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51385B
#51385B
oklch(38.4% 0.066 316)
- #334B27
#334B27
oklch(38.3% 0.065 135.9)
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 #51385B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.066
- Charcoal Grey #3C4142 ΔE 0.069
- Dark Grey Blue #29465B ΔE 0.071
- Onyx #343A40 ΔE 0.073
- Charcoal #264653 ΔE 0.079
- Grape Purple #5D1451 ΔE 0.081
- Dark Slate Blue #483D8B ΔE 0.081
- Dark Blue Grey #1F3B4D ΔE 0.085
Use #51385B 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.