#51445E
Closest named color: Dark Grey Blue (#29465B). oklch(41% 0.046 307.2), rgb(81, 68, 94).
Aa
White text reads best on this color (8.98:1).
About this color
#51445E is a dark, muted purple. In OKLCH its lightness is 41%, its chroma 0.046 and its hue 307°. 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 8.98:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | muted (0.046) |
| Temperature | in between |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.33:1 |
| White text | 8.98:1 |
Values
| HEX | #51445E |
| RGB | rgb(81, 68, 94) |
| HSL | hsl(270, 16%, 32%) |
| OKLCH | oklch(41% 0.046 307.2) |
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 #51445E | 8.98:1 | AAA | Lc -95.0 | Preferred for body text |
| Black text on #51445E | 2.33:1 | Fails | Lc 13.4 | Not readable |
| #51445E text on white | 8.98:1 | AAA | Lc 90.6 | Preferred for body text |
| #51445E text on black | 2.33:1 | Fails | Lc -11.7 | 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
#C5BCCE
oklch(80.8% 0.027 308.1)
-
Step 400
400
#A89AB6
oklch(70.7% 0.043 307.8)
-
Step 500
500
#9281A4
oklch(63.1% 0.055 306.9)
-
Step 600
600
#7C6A8F
oklch(55.5% 0.06 306.7)
-
Step 700
700
#695979
oklch(49.2% 0.054 307.2)
-
Step 800
800 (this color)
#51445E
oklch(41% 0.046 307.2)
-
Step 900
900
#473D51
oklch(37.8% 0.036 307.4)
-
Step 950
950
#29242F
oklch(27.1% 0.021 305.6)
#51445E 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) | #3F495F | 0.031 |
| Deuteranopia (no green cones) | #42495D | 0.028 |
| Tritanopia (no blue cones) | #4F474D | 0.034 |
| Achromatopsia (no color) | #494949 | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51445E
#51445E
oklch(41% 0.046 307.2)
- #444F34
#444F34
oklch(41% 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 #51445E, 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
- Dusty Grape #545775 ΔE 0.060
- Charcoal Grey #3C4142 ΔE 0.061
- Purple Brown #673A3F ΔE 0.062
- Dusk #4E5481 ΔE 0.065
- Charcoal #264653 ΔE 0.068
- YInMn Blue #415A77 ΔE 0.069
- Dark Slate Gray #2F4F4F ΔE 0.069
Use #51445E 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.