#550135
Closest named color: Burgundy (#610023). oklch(29.7% 0.122 350.4), rgb(85, 1, 53).
Aa
White text reads best on this color (14.56:1).
About this color
#550135 is a dark, moderately saturated red. In OKLCH its lightness is 30%, its chroma 0.122 and its hue 350°. Its hue sits on the warm side of the wheel. The nearest named color is Burgundy (#610023), ΔE 0.045 away. White text reads best on it, at 14.56:1.
| Hue family | Reds |
| Lightness | dark (30%) |
| Chroma | moderately saturated (0.122) |
| Temperature | warm |
| Nearest name | Burgundy (#610023) |
| Black text | 1.44:1 |
| White text | 14.56:1 |
Values
| HEX | #550135 |
| RGB | rgb(85, 1, 53) |
| HSL | hsl(323, 98%, 17%) |
| OKLCH | oklch(29.7% 0.122 350.4) |
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 #550135 | 14.56:1 | AAA | Lc -103.1 | Preferred for body text |
| Black text on #550135 | 1.44:1 | Fails | Lc 0.0 | Not readable |
| #550135 text on white | 14.56:1 | AAA | Lc 100.0 | Preferred for body text |
| #550135 text on black | 1.44:1 | 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
#FFF1F7
oklch(97.1% 0.017 349.5)
-
Step 100
100
#FFE0ED
oklch(93.6% 0.038 350.6)
-
Step 200
200
#FFC6DF
oklch(88.4% 0.072 350.6)
-
Step 300
300
#FF9DCC
oklch(80.9% 0.129 350.2)
-
Step 400
400
#FF56B3
oklch(70.7% 0.222 350.3)
-
Step 500
500
#F1009E
oklch(63.1% 0.263 350.4)
-
Step 600
600
#CC0085
oklch(55.7% 0.232 350.5)
-
Step 700
700
#AC0070
oklch(49.1% 0.205 350.2)
-
Step 800
800
#8E005C
oklch(42.6% 0.178 350.1)
-
Step 900
900
#78004C
oklch(37.7% 0.157 350.7)
-
Step 950
950 (this color)
#550135
oklch(29.7% 0.122 350.4)
#550135 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) | #142036 | 0.140 |
| Deuteranopia (no green cones) | #2C2E33 | 0.122 |
| Tritanopia (no blue cones) | #5C001C | 0.049 |
| Achromatopsia (no color) | #292929 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #550135
#550135
oklch(29.7% 0.122 350.4)
- #003629
#003629
oklch(29.6% 0.058 171.1)
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 #550135, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burgundy #610023 ΔE 0.045
- Deep Violet #490648 ΔE 0.047
- Eggplant Purple #430541 ΔE 0.050
- Plum Purple #4E0550 ΔE 0.053
- Grape Purple #5D1451 ΔE 0.055
- Dark Plum #3F012C ΔE 0.055
- Aubergine #3D0734 ΔE 0.056
- Eggplant #380835 ΔE 0.069
Use #550135 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.