#51516D
Closest named color: Dusty Grape (#545775). oklch(44.6% 0.046 284.4), rgb(81, 81, 109).
Aa
White text reads best on this color (7.64:1).
About this color
#51516D is a dark, muted purple. In OKLCH its lightness is 45%, its chroma 0.046 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.020 away. White text reads best on it, at 7.64:1.
| Hue family | Purples |
| Lightness | dark (45%) |
| Chroma | muted (0.046) |
| Temperature | cool |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.74:1 |
| White text | 7.64:1 |
Values
| HEX | #51516D |
| RGB | rgb(81, 81, 109) |
| HSL | hsl(240, 15%, 37%) |
| OKLCH | oklch(44.6% 0.046 284.4) |
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 #51516D | 7.64:1 | AAA | Lc -91.3 | Preferred for body text |
| Black text on #51516D | 2.74:1 | Fails | Lc 17.5 | Dividers and decoration only |
| #51516D text on white | 7.64:1 | AAA | Lc 86.6 | Fine for body text |
| #51516D text on black | 2.74:1 | Fails | Lc -15.5 | Dividers and decoration only |
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 800.
-
Step 50
50
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#E9E9EF
oklch(93.6% 0.008 286.2)
-
Step 200
200
#D8D8E3
oklch(88.5% 0.015 286.1)
-
Step 300
300
#BEBFD2
oklch(81% 0.027 283.4)
-
Step 400
400
#9D9DBB
oklch(70.6% 0.044 285.2)
-
Step 500
500
#8585AA
oklch(63% 0.055 284.7)
-
Step 600
600
#6F6F95
oklch(55.6% 0.059 284.3)
-
Step 700
700
#5D5D7F
oklch(49.2% 0.054 284.2)
-
Step 800
800 (this color)
#51516D
oklch(44.6% 0.046 284.4)
-
Step 900
900
#3F3F54
oklch(37.6% 0.036 284.6)
-
Step 950
950
#252531
oklch(27% 0.022 284.8)
#51516D 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) | #4A546E | 0.013 |
| Deuteranopia (no green cones) | #49536C | 0.013 |
| Tritanopia (no blue cones) | #4B565B | 0.039 |
| Achromatopsia (no color) | #535353 | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51516D
#51516D
oklch(44.6% 0.046 284.4)
- #585638
#585638
oklch(44.7% 0.046 104.8)
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 #51516D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.020
- Dusk #4E5481 ΔE 0.032
- YInMn Blue #415A77 ΔE 0.033
- Twilight #4E518B ΔE 0.050
- Light Navy Blue #2E5A88 ΔE 0.059
- Slate #516572 ΔE 0.059
- Denim Blue #3B5B92 ΔE 0.064
- Denim #3B638C ΔE 0.065
Use #51516D 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.