#550428
Closest named color: Burgundy (#610023). oklch(29.4% 0.114 1.8), rgb(85, 4, 40).
Aa
White text reads best on this color (14.64:1).
About this color
#550428 is a dark, moderately saturated red. In OKLCH its lightness is 29%, its chroma 0.114 and its hue 2°. Its hue sits on the warm side of the wheel. The nearest named color is Burgundy (#610023), ΔE 0.029 away. White text reads best on it, at 14.64:1.
| Hue family | Reds |
| Lightness | dark (29%) |
| Chroma | moderately saturated (0.114) |
| Temperature | warm |
| Nearest name | Burgundy (#610023) |
| Black text | 1.43:1 |
| White text | 14.64:1 |
Values
| HEX | #550428 |
| RGB | rgb(85, 4, 40) |
| HSL | hsl(333, 91%, 17%) |
| OKLCH | oklch(29.4% 0.114 1.8) |
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 #550428 | 14.64:1 | AAA | Lc -103.3 | Preferred for body text |
| Black text on #550428 | 1.43:1 | Fails | Lc 0.0 | Not readable |
| #550428 text on white | 14.64:1 | AAA | Lc 100.2 | Preferred for body text |
| #550428 text on black | 1.43:1 | 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
#FFF1F5
oklch(97% 0.016 358)
-
Step 100
100
#FFE1E8
oklch(93.6% 0.034 2)
-
Step 200
200
#FFC8D6
oklch(88.5% 0.065 1.6)
-
Step 300
300
#FFA0BB
oklch(80.9% 0.117 1.6)
-
Step 400
400
#FF5E97
oklch(70.7% 0.201 1.8)
-
Step 500
500
#F7007E
oklch(63.1% 0.255 1.8)
-
Step 600
600
#D10069
oklch(55.6% 0.224 2)
-
Step 700
700
#B10058
oklch(49.1% 0.198 2)
-
Step 800
800
#920048
oklch(42.6% 0.172 1.7)
-
Step 900
900
#7B003B
oklch(37.6% 0.152 2.1)
-
Step 950
950 (this color)
#550428
oklch(29.4% 0.114 1.8)
#550428 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) | #1B1F29 | 0.129 |
| Deuteranopia (no green cones) | #302E26 | 0.116 |
| Tritanopia (no blue cones) | #5D0015 | 0.036 |
| Achromatopsia (no color) | #292929 | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #550428
#550428
oklch(29.4% 0.114 1.8)
- #00352E
#00352E
oklch(29.5% 0.053 181)
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 #550428, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burgundy #610023 ΔE 0.029
- Claret #680018 ΔE 0.052
- Dark Plum #3F012C ΔE 0.058
- Aubergine #3D0734 ΔE 0.064
- Mahogany #4A0100 ΔE 0.064
- Eggplant Purple #430541 ΔE 0.067
- Deep Violet #490648 ΔE 0.068
- Merlot #730039 ΔE 0.073
Use #550428 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.