#51425D
Closest named color: Dark Grey Blue (#29465B). oklch(40.6% 0.048 309.6), rgb(81, 66, 93).
Aa
White text reads best on this color (9.18:1).
About this color
#51425D is a dark, muted purple. In OKLCH its lightness is 41%, its chroma 0.048 and its hue 310°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.060 away. White text reads best on it, at 9.18:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | muted (0.048) |
| Temperature | in between |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.28:1 |
| White text | 9.18:1 |
Values
| HEX | #51425D |
| RGB | rgb(81, 66, 93) |
| HSL | hsl(273, 17%, 31%) |
| OKLCH | oklch(40.6% 0.048 309.6) |
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 #51425D | 9.18:1 | AAA | Lc -95.5 | Preferred for body text |
| Black text on #51425D | 2.28:1 | Fails | Lc 12.8 | Not readable |
| #51425D text on white | 9.18:1 | AAA | Lc 91.1 | Preferred for body text |
| #51425D text on black | 2.28:1 | Fails | Lc -11.2 | 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
#EBE8EE
oklch(93.5% 0.009 308.4)
-
Step 200
200
#DCD6E1
oklch(88.4% 0.016 310.1)
-
Step 300
300
#C6BCCF
oklch(80.9% 0.028 309.2)
-
Step 400
400
#A999B6
oklch(70.6% 0.045 309.9)
-
Step 500
500
#9480A4
oklch(63.1% 0.058 309.8)
-
Step 600
600
#7E698F
oklch(55.5% 0.063 309.5)
-
Step 700
700
#6B587A
oklch(49.2% 0.058 309.7)
-
Step 800
800 (this color)
#51425D
oklch(40.6% 0.048 309.6)
-
Step 900
900
#483C51
oklch(37.7% 0.038 310.4)
-
Step 950
950
#2A232F
oklch(26.9% 0.024 311)
#51425D 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) | #3E475E | 0.033 |
| Deuteranopia (no green cones) | #41485C | 0.031 |
| Tritanopia (no blue cones) | #50464C | 0.035 |
| Achromatopsia (no color) | #484848 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51425D
#51425D
oklch(40.6% 0.048 309.6)
- #414F32
#414F32
oklch(40.7% 0.05 129.3)
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 #51425D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.060
- Charcoal Grey #3C4142 ΔE 0.060
- Purple Brown #673A3F ΔE 0.061
- Dusty Grape #545775 ΔE 0.066
- Charcoal #264653 ΔE 0.068
- Dusk #4E5481 ΔE 0.069
- Dark Slate Gray #2F4F4F ΔE 0.072
- Brownish Purple #76424E ΔE 0.073
Use #51425D 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.