#51455D
Closest named color: Dusty Grape (#545775). oklch(41.2% 0.042 307.3), rgb(81, 69, 93).
Aa
White text reads best on this color (8.90:1).
About this color
#51455D is a dark, muted purple. In OKLCH its lightness is 41%, its chroma 0.042 and its hue 307°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.059 away. White text reads best on it, at 8.90:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | muted (0.042) |
| Temperature | in between |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.35:1 |
| White text | 8.90:1 |
Values
| HEX | #51455D |
| RGB | rgb(81, 69, 93) |
| HSL | hsl(270, 15%, 32%) |
| OKLCH | oklch(41.2% 0.042 307.3) |
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 #51455D | 8.90:1 | AAA | Lc -94.8 | Preferred for body text |
| Black text on #51455D | 2.35:1 | Fails | Lc 13.6 | Not readable |
| #51455D text on white | 8.90:1 | AAA | Lc 90.4 | Preferred for body text |
| #51455D text on black | 2.35:1 | Fails | Lc -11.9 | 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 800.
-
Step 50
50
#F6F5F7
oklch(97.1% 0.003 308.4)
-
Step 100
100
#EBE9EE
oklch(93.7% 0.007 304.2)
-
Step 200
200
#DBD7E0
oklch(88.5% 0.013 306)
-
Step 300
300
#C5BDCD
oklch(81% 0.024 308.1)
-
Step 400
400
#A79BB4
oklch(70.8% 0.038 307)
-
Step 500
500
#9282A2
oklch(63.2% 0.051 307.6)
-
Step 600
600
#7C6B8D
oklch(55.6% 0.055 307.4)
-
Step 700
700
#685978
oklch(49% 0.052 306.6)
-
Step 800
800 (this color)
#51455D
oklch(41.2% 0.042 307.3)
-
Step 900
900
#463D4F
oklch(37.6% 0.032 307.5)
-
Step 950
950
#29242E
oklch(27% 0.02 307.7)
#51455D 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) | #41495E | 0.027 |
| Deuteranopia (no green cones) | #434A5C | 0.027 |
| Tritanopia (no blue cones) | #4F484D | 0.032 |
| Achromatopsia (no color) | #4A4A4A | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51455D
#51455D
oklch(41.2% 0.042 307.3)
- #454F37
#454F37
oklch(41.2% 0.04 126.5)
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 #51455D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.059
- Dark Grey Blue #29465B ΔE 0.060
- Charcoal Grey #3C4142 ΔE 0.060
- Purple Brown #673A3F ΔE 0.061
- Dusk #4E5481 ΔE 0.065
- Dark Slate Gray #2F4F4F ΔE 0.067
- Charcoal #264653 ΔE 0.067
- YInMn Blue #415A77 ΔE 0.067
Use #51455D 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.