#551F37
Closest named color: Burgundy (#610023). oklch(32.8% 0.085 355.1), rgb(85, 31, 55).
Aa
White text reads best on this color (12.82:1).
About this color
#551F37 is a dark, moderately saturated red. In OKLCH its lightness is 33%, its chroma 0.085 and its hue 355°. Its hue sits on the warm side of the wheel. The nearest named color is Burgundy (#610023), ΔE 0.050 away. White text reads best on it, at 12.82:1.
| Hue family | Reds |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.085) |
| Temperature | warm |
| Nearest name | Burgundy (#610023) |
| Black text | 1.63:1 |
| White text | 12.82:1 |
Values
| HEX | #551F37 |
| RGB | rgb(85, 31, 55) |
| HSL | hsl(333, 47%, 23%) |
| OKLCH | oklch(32.8% 0.085 355.1) |
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 #551F37 | 12.82:1 | AAA | Lc -101.9 | Preferred for body text |
| Black text on #551F37 | 1.63:1 | Fails | Lc 0.0 | Not readable |
| #551F37 text on white | 12.82:1 | AAA | Lc 98.5 | Preferred for body text |
| #551F37 text on black | 1.63:1 | 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
#FBF3F6
oklch(97.1% 0.009 352.4)
-
Step 100
100
#F5E5EA
oklch(93.6% 0.019 356.4)
-
Step 200
200
#EDD0DA
oklch(88.5% 0.035 355)
-
Step 300
300
#E3B0C3
oklch(80.9% 0.064 354.4)
-
Step 400
400
#D385A4
oklch(70.6% 0.103 354.6)
-
Step 500
500
#C5658D
oklch(63.1% 0.13 355.2)
-
Step 600
600
#B14A77
oklch(55.7% 0.142 355.4)
-
Step 700
700
#973B64
oklch(49.1% 0.131 355.2)
-
Step 800
800
#7B3152
oklch(42.7% 0.11 354.9)
-
Step 900
900 (this color)
#551F37
oklch(32.8% 0.085 355.1)
-
Step 950
950
#3B1A28
oklch(27% 0.055 354.7)
#551F37 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) | #272C38 | 0.094 |
| Deuteranopia (no green cones) | #363636 | 0.085 |
| Tritanopia (no blue cones) | #5C1B28 | 0.028 |
| Achromatopsia (no color) | #323232 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #551F37
#551F37
oklch(32.8% 0.085 355.1)
- #003F33
#003F33
oklch(32.8% 0.062 174.9)
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 #551F37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burgundy #610023 ΔE 0.050
- Grape Purple #5D1451 ΔE 0.056
- Claret #680018 ΔE 0.063
- Merlot #730039 ΔE 0.069
- Deep Violet #490648 ΔE 0.072
- Plum Purple #4E0550 ΔE 0.075
- Eggplant Purple #430541 ΔE 0.078
- Reddy Brown #6E1005 ΔE 0.080
Use #551F37 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.