#551733
Closest named color: Burgundy (#610023). oklch(31.6% 0.096 356.3), rgb(85, 23, 51).
Aa
White text reads best on this color (13.49:1).
About this color
#551733 is a dark, moderately saturated red. In OKLCH its lightness is 32%, its chroma 0.096 and its hue 356°. Its hue sits on the warm side of the wheel. The nearest named color is Burgundy (#610023), ΔE 0.039 away. White text reads best on it, at 13.49:1.
| Hue family | Reds |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.096) |
| Temperature | warm |
| Nearest name | Burgundy (#610023) |
| Black text | 1.55:1 |
| White text | 13.49:1 |
Values
| HEX | #551733 |
| RGB | rgb(85, 23, 51) |
| HSL | hsl(333, 57%, 21%) |
| OKLCH | oklch(31.6% 0.096 356.3) |
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 #551733 | 13.49:1 | AAA | Lc -102.6 | Preferred for body text |
| Black text on #551733 | 1.55:1 | Fails | Lc 0.0 | Not readable |
| #551733 text on white | 13.49:1 | AAA | Lc 99.3 | Preferred for body text |
| #551733 text on black | 1.55:1 | 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 950.
-
Step 50
50
#FFF1F6
oklch(97.1% 0.016 353.6)
-
Step 100
100
#FDE1EA
oklch(93.5% 0.033 356.3)
-
Step 200
200
#FDC8DA
oklch(88.4% 0.064 356.2)
-
Step 300
300
#FCA1C2
oklch(80.9% 0.114 356.7)
-
Step 400
400
#F568A4
oklch(70.8% 0.182 356.2)
-
Step 500
500
#EC2D8D
oklch(63.1% 0.233 356.4)
-
Step 600
600
#CF0077
oklch(55.7% 0.228 356.3)
-
Step 700
700
#AF0064
oklch(49.1% 0.201 356.2)
-
Step 800
800
#910051
oklch(42.8% 0.175 356.7)
-
Step 900
900
#790344
oklch(37.7% 0.152 356.1)
-
Step 950
950 (this color)
#551733
oklch(31.6% 0.096 356.3)
#551733 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) | #222734 | 0.107 |
| Deuteranopia (no green cones) | #333332 | 0.097 |
| Tritanopia (no blue cones) | #5C1123 | 0.030 |
| Achromatopsia (no color) | #2E2E2E | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #551733
#551733
oklch(31.6% 0.096 356.3)
- #003B31
#003B31
oklch(31.5% 0.058 177.1)
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 #551733, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burgundy #610023 ΔE 0.039
- Grape Purple #5D1451 ΔE 0.056
- Claret #680018 ΔE 0.057
- Deep Violet #490648 ΔE 0.064
- Merlot #730039 ΔE 0.067
- Eggplant Purple #430541 ΔE 0.068
- Plum Purple #4E0550 ΔE 0.070
- Aubergine #3D0734 ΔE 0.071
Use #551733 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.