#51435E
Closest named color: Dark Grey Blue (#29465B). oklch(40.8% 0.048 308), rgb(81, 67, 94).
Aa
White text reads best on this color (9.07:1).
About this color
#51435E is a dark, muted purple. In OKLCH its lightness is 41%, its chroma 0.048 and its hue 308°. 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 9.07:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | muted (0.048) |
| Temperature | in between |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.31:1 |
| White text | 9.07:1 |
Values
| HEX | #51435E |
| RGB | rgb(81, 67, 94) |
| HSL | hsl(271, 17%, 32%) |
| OKLCH | oklch(40.8% 0.048 308) |
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 #51435E | 9.07:1 | AAA | Lc -95.2 | Preferred for body text |
| Black text on #51435E | 2.31:1 | Fails | Lc 13.1 | Not readable |
| #51435E text on white | 9.07:1 | AAA | Lc 90.9 | Preferred for body text |
| #51435E text on black | 2.31:1 | Fails | Lc -11.5 | 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
#DCD7E1
oklch(88.6% 0.015 308.3)
-
Step 300
300
#C5BCCF
oklch(80.8% 0.028 307)
-
Step 400
400
#A89AB6
oklch(70.7% 0.043 307.8)
-
Step 500
500
#9381A4
oklch(63.2% 0.055 308.1)
-
Step 600
600
#7D6A90
oklch(55.6% 0.062 307.2)
-
Step 700
700
#6A587A
oklch(49.1% 0.057 308.4)
-
Step 800
800 (this color)
#51435E
oklch(40.8% 0.048 308)
-
Step 900
900
#473C51
oklch(37.6% 0.038 308.4)
-
Step 950
950
#2A232F
oklch(26.9% 0.024 311)
#51435E 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) | #3E485F | 0.033 |
| Deuteranopia (no green cones) | #41495D | 0.031 |
| Tritanopia (no blue cones) | #4F474C | 0.037 |
| Achromatopsia (no color) | #494949 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51435E
#51435E
oklch(40.8% 0.048 308)
- #424F33
#424F33
oklch(40.8% 0.048 128.6)
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 #51435E, 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 0.061
- Purple Brown #673A3F ΔE 0.062
- Dusty Grape #545775 ΔE 0.063
- Dusk #4E5481 ΔE 0.066
- Charcoal #264653 ΔE 0.068
- YInMn Blue #415A77 ΔE 0.071
- Dark Slate Gray #2F4F4F ΔE 0.071
Use #51435E 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.