#51455F
Closest named color: Dusty Grape (#545775). oklch(41.3% 0.045 305.5), rgb(81, 69, 95).
Aa
White text reads best on this color (8.87:1).
About this color
#51455F is a dark, muted purple. In OKLCH its lightness is 41%, its chroma 0.045 and its hue 306°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.057 away. White text reads best on it, at 8.87:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | muted (0.045) |
| Temperature | in between |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.36:1 |
| White text | 8.87:1 |
Values
| HEX | #51455F |
| RGB | rgb(81, 69, 95) |
| HSL | hsl(268, 16%, 32%) |
| OKLCH | oklch(41.3% 0.045 305.5) |
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 #51455F | 8.87:1 | AAA | Lc -94.8 | Preferred for body text |
| Black text on #51455F | 2.36:1 | Fails | Lc 13.7 | Not readable |
| #51455F text on white | 8.87:1 | AAA | Lc 90.3 | Preferred for body text |
| #51455F text on black | 2.36:1 | Fails | Lc -12.0 | 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 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
#DBD7E1
oklch(88.5% 0.014 304.1)
-
Step 300
300
#C4BDCF
oklch(81% 0.026 303.4)
-
Step 400
400
#A79AB6
oklch(70.7% 0.043 306.3)
-
Step 500
500
#9181A4
oklch(63% 0.055 305.6)
-
Step 600
600
#7B6B8F
oklch(55.6% 0.058 304.8)
-
Step 700
700
#68597A
oklch(49.1% 0.055 305.2)
-
Step 800
800 (this color)
#51455F
oklch(41.3% 0.045 305.5)
-
Step 900
900
#463D51
oklch(37.7% 0.035 305.2)
-
Step 950
950
#29242F
oklch(27.1% 0.021 305.6)
#51455F 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) | #404A60 | 0.030 |
| Deuteranopia (no green cones) | #434A5E | 0.027 |
| Tritanopia (no blue cones) | #4F494E | 0.035 |
| Achromatopsia (no color) | #4A4A4A | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51455F
#51455F
oklch(41.3% 0.045 305.5)
- #455035
#455035
oklch(41.4% 0.045 126.3)
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 #51455F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.057
- Dark Grey Blue #29465B ΔE 0.060
- Dusk #4E5481 ΔE 0.062
- Charcoal Grey #3C4142 ΔE 0.062
- Purple Brown #673A3F ΔE 0.063
- YInMn Blue #415A77 ΔE 0.066
- Charcoal #264653 ΔE 0.068
- Dark Slate Gray #2F4F4F ΔE 0.069
Use #51455F 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.