#550A38
Closest named color: Deep Violet (#490648). oklch(30.5% 0.115 349), rgb(85, 10, 56).
Aa
White text reads best on this color (14.12:1).
About this color
#550A38 is a dark, moderately saturated red. In OKLCH its lightness is 31%, its chroma 0.115 and its hue 349°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Violet (#490648), ΔE 0.046 away. White text reads best on it, at 14.12:1.
| Hue family | Reds |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.115) |
| Temperature | warm |
| Nearest name | Deep Violet (#490648) |
| Black text | 1.48:1 |
| White text | 14.12:1 |
Values
| HEX | #550A38 |
| RGB | rgb(85, 10, 56) |
| HSL | hsl(323, 79%, 19%) |
| OKLCH | oklch(30.5% 0.115 349) |
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 #550A38 | 14.12:1 | AAA | Lc -103.0 | Preferred for body text |
| Black text on #550A38 | 1.48:1 | Fails | Lc 0.0 | Not readable |
| #550A38 text on white | 14.12:1 | AAA | Lc 99.8 | Preferred for body text |
| #550A38 text on black | 1.48:1 | 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
#FFE0EE
oklch(93.6% 0.039 348.8)
-
Step 200
200
#FFC6E1
oklch(88.5% 0.073 348.6)
-
Step 300
300
#FF9DCE
oklch(81% 0.13 349)
-
Step 400
400
#FC59B6
oklch(70.7% 0.217 348.9)
-
Step 500
500
#F000A2
oklch(63.1% 0.264 349)
-
Step 600
600
#CB0088
oklch(55.6% 0.233 349.1)
-
Step 700
700
#AC0073
oklch(49.2% 0.206 349)
-
Step 800
800
#8E005E
oklch(42.7% 0.179 349.1)
-
Step 900
900
#77004E
oklch(37.6% 0.157 349.1)
-
Step 950
950 (this color)
#550A38
oklch(30.5% 0.115 349)
#550A38 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) | #182339 | 0.129 |
| Deuteranopia (no green cones) | #2E3036 | 0.113 |
| Tritanopia (no blue cones) | #5C0520 | 0.045 |
| Achromatopsia (no color) | #2B2B2B | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #550A38
#550A38
oklch(30.5% 0.115 349)
- #00392A
#00392A
oklch(30.6% 0.061 169.1)
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 #550A38, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Violet #490648 ΔE 0.046
- Burgundy #610023 ΔE 0.046
- Grape Purple #5D1451 ΔE 0.048
- Plum Purple #4E0550 ΔE 0.051
- Eggplant Purple #430541 ΔE 0.051
- Aubergine #3D0734 ΔE 0.059
- Dark Plum #3F012C ΔE 0.060
- Merlot #730039 ΔE 0.068
Use #550A38 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.