#55172B
Closest named color: Burgundy (#610023). oklch(31.3% 0.093 4.5), rgb(85, 23, 43).
Aa
White text reads best on this color (13.60:1).
About this color
#55172B is a dark, moderately saturated red. In OKLCH its lightness is 31%, its chroma 0.093 and its hue 5°. Its hue sits on the warm side of the wheel. The nearest named color is Burgundy (#610023), ΔE 0.034 away. White text reads best on it, at 13.60:1.
| Hue family | Reds |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.093) |
| Temperature | warm |
| Nearest name | Burgundy (#610023) |
| Black text | 1.54:1 |
| White text | 13.60:1 |
Values
| HEX | #55172B |
| RGB | rgb(85, 23, 43) |
| HSL | hsl(341, 57%, 21%) |
| OKLCH | oklch(31.3% 0.093 4.5) |
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 #55172B | 13.60:1 | AAA | Lc -102.7 | Preferred for body text |
| Black text on #55172B | 1.54:1 | Fails | Lc 0.0 | Not readable |
| #55172B text on white | 13.60:1 | AAA | Lc 99.5 | Preferred for body text |
| #55172B text on black | 1.54:1 | 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
#FFF2F4
oklch(97.2% 0.014 6.7)
-
Step 100
100
#FEE2E7
oklch(93.7% 0.031 5.5)
-
Step 200
200
#FEC9D4
oklch(88.5% 0.062 4.5)
-
Step 300
300
#FDA2B8
oklch(80.9% 0.111 4.1)
-
Step 400
400
#F76A93
oklch(70.8% 0.176 4.6)
-
Step 500
500
#EE3178
oklch(63.1% 0.225 4.6)
-
Step 600
600
#D20063
oklch(55.6% 0.224 4.4)
-
Step 700
700
#B20053
oklch(49.1% 0.198 4.4)
-
Step 800
800
#930043
oklch(42.7% 0.172 4.5)
-
Step 900
900
#7A0638
oklch(37.6% 0.147 4.2)
-
Step 950
950 (this color)
#55172B
oklch(31.3% 0.093 4.5)
#55172B 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) | #24262B | 0.104 |
| Deuteranopia (no green cones) | #35322A | 0.093 |
| Tritanopia (no blue cones) | #5D0E1F | 0.025 |
| Achromatopsia (no color) | #2E2E2E | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55172B
#55172B
oklch(31.3% 0.093 4.5)
- #003A34
#003A34
oklch(31.3% 0.056 183.6)
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 #55172B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burgundy #610023 ΔE 0.034
- Claret #680018 ΔE 0.049
- Grape Purple #5D1451 ΔE 0.070
- Mahogany #4A0100 ΔE 0.071
- Merlot #730039 ΔE 0.071
- Reddy Brown #6E1005 ΔE 0.071
- Dark Plum #3F012C ΔE 0.075
- Aubergine #3D0734 ΔE 0.076
Use #55172B 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.