#551F45
Closest named color: Grape Purple (#5D1451). oklch(33.4% 0.095 340.7), rgb(85, 31, 69).
Aa
White text reads best on this color (12.58:1).
About this color
#551F45 is a dark, moderately saturated purple. In OKLCH its lightness is 33%, its chroma 0.095 and its hue 341°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.034 away. White text reads best on it, at 12.58:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.095) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.66:1 |
| White text | 12.58:1 |
Values
| HEX | #551F45 |
| RGB | rgb(85, 31, 69) |
| HSL | hsl(318, 47%, 23%) |
| OKLCH | oklch(33.4% 0.095 340.7) |
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 #551F45 | 12.58:1 | AAA | Lc -101.5 | Preferred for body text |
| Black text on #551F45 | 1.66:1 | Fails | Lc 0.0 | Not readable |
| #551F45 text on white | 12.58:1 | AAA | Lc 98.1 | Preferred for body text |
| #551F45 text on black | 1.66:1 | Fails | Lc 0.0 | 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 900.
-
Step 50
50
#FAF3F7
oklch(97.1% 0.009 341.8)
-
Step 100
100
#F4E5EE
oklch(93.6% 0.02 340.7)
-
Step 200
200
#ECCFE1
oklch(88.4% 0.04 340.3)
-
Step 300
300
#E1AFCF
oklch(80.9% 0.071 340.2)
-
Step 400
400
#D084B6
oklch(70.7% 0.113 340.7)
-
Step 500
500
#C262A4
oklch(63.1% 0.146 340.5)
-
Step 600
600
#AD478F
oklch(55.6% 0.158 340.6)
-
Step 700
700
#943879
oklch(49.1% 0.145 340.8)
-
Step 800
800
#792F63
oklch(42.8% 0.122 340.8)
-
Step 900
900 (this color)
#551F45
oklch(33.4% 0.095 340.7)
-
Step 950
950
#39192F
oklch(26.8% 0.06 340.4)
#551F45 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) | #222E46 | 0.101 |
| Deuteranopia (no green cones) | #323644 | 0.088 |
| Tritanopia (no blue cones) | #5A202F | 0.042 |
| Achromatopsia (no color) | #333333 | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #551F45
#551F45
oklch(33.4% 0.095 340.7)
- #004229
#004229
oklch(33.5% 0.075 160.4)
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 #551F45, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.034
- Plum Purple #4E0550 ΔE 0.057
- Deep Violet #490648 ΔE 0.058
- Burgundy #610023 ΔE 0.066
- Eggplant Purple #430541 ΔE 0.069
- Merlot #730039 ΔE 0.070
- Velvet #750851 ΔE 0.073
- Rich Purple #720058 ΔE 0.076
Use #551F45 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.