#55183B
Closest named color: Grape Purple (#5D1451). oklch(32% 0.099 348.7), rgb(85, 24, 59).
Aa
White text reads best on this color (13.29:1).
About this color
#55183B is a dark, moderately saturated red. In OKLCH its lightness is 32%, its chroma 0.099 and its hue 349°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.043 away. White text reads best on it, at 13.29:1.
| Hue family | Reds |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.099) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.58:1 |
| White text | 13.29:1 |
Values
| HEX | #55183B |
| RGB | rgb(85, 24, 59) |
| HSL | hsl(326, 56%, 21%) |
| OKLCH | oklch(32% 0.099 348.7) |
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 #55183B | 13.29:1 | AAA | Lc -102.3 | Preferred for body text |
| Black text on #55183B | 1.58:1 | Fails | Lc 0.0 | Not readable |
| #55183B text on white | 13.29:1 | AAA | Lc 99.0 | Preferred for body text |
| #55183B text on black | 1.58:1 | 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
#FEF1F7
oklch(97% 0.016 347.6)
-
Step 100
100
#FCE1ED
oklch(93.5% 0.033 349.1)
-
Step 200
200
#FBC8E0
oklch(88.4% 0.065 348.6)
-
Step 300
300
#F9A1CD
oklch(80.9% 0.117 348.7)
-
Step 400
400
#F167B3
oklch(70.6% 0.187 348.8)
-
Step 500
500
#E82CA1
oklch(63.1% 0.24 348.6)
-
Step 600
600
#CB0089
oklch(55.7% 0.233 348.8)
-
Step 700
700
#AB0073
oklch(49% 0.205 348.7)
-
Step 800
800
#8E005F
oklch(42.8% 0.179 348.6)
-
Step 900
900
#77024F
oklch(37.7% 0.157 348.6)
-
Step 950
950 (this color)
#55183B
oklch(32% 0.099 348.7)
#55183B 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) | #20293C | 0.109 |
| Deuteranopia (no green cones) | #31333A | 0.097 |
| Tritanopia (no blue cones) | #5B1627 | 0.037 |
| Achromatopsia (no color) | #303030 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55183B
#55183B
oklch(32% 0.099 348.7)
- #003D2D
#003D2D
oklch(32% 0.064 168.9)
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 #55183B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.043
- Burgundy #610023 ΔE 0.049
- Deep Violet #490648 ΔE 0.055
- Plum Purple #4E0550 ΔE 0.058
- Eggplant Purple #430541 ΔE 0.062
- Merlot #730039 ΔE 0.066
- Claret #680018 ΔE 0.068
- Aubergine #3D0734 ΔE 0.070
Use #55183B 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.