#55171D
Closest named color: Burgundy (#610023). oklch(30.9% 0.091 18.8), rgb(85, 23, 29).
Aa
White text reads best on this color (13.75:1).
About this color
#55171D is a dark, moderately saturated red. In OKLCH its lightness is 31%, its chroma 0.091 and its hue 19°. Its hue sits on the warm side of the wheel. The nearest named color is Burgundy (#610023), ΔE 0.039 away. White text reads best on it, at 13.75:1.
| Hue family | Reds |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.091) |
| Temperature | warm |
| Nearest name | Burgundy (#610023) |
| Black text | 1.52:1 |
| White text | 13.75:1 |
Values
| HEX | #55171D |
| RGB | rgb(85, 23, 29) |
| HSL | hsl(354, 57%, 21%) |
| OKLCH | oklch(30.9% 0.091 18.8) |
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 #55171D | 13.75:1 | AAA | Lc -102.8 | Preferred for body text |
| Black text on #55171D | 1.52:1 | Fails | Lc 0.0 | Not readable |
| #55171D text on white | 13.75:1 | AAA | Lc 99.7 | Preferred for body text |
| #55171D text on black | 1.52:1 | 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
#FFF2F2
oklch(97.1% 0.014 17.4)
-
Step 100
100
#FEE2E2
oklch(93.6% 0.031 17.7)
-
Step 200
200
#FFCACA
oklch(88.5% 0.06 18.4)
-
Step 300
300
#FFA4A5
oklch(80.9% 0.108 19)
-
Step 400
400
#F96C75
oklch(70.6% 0.173 18.8)
-
Step 500
500
#F23551
oklch(63.2% 0.222 19)
-
Step 600
600
#D7003B
oklch(55.7% 0.223 19)
-
Step 700
700
#B60031
oklch(49.2% 0.197 18.8)
-
Step 800
800
#960027
oklch(42.6% 0.171 18.7)
-
Step 900
900
#7C0921
oklch(37.6% 0.144 18.7)
-
Step 950
950 (this color)
#55171D
oklch(30.9% 0.091 18.8)
#55171D 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) | #27251D | 0.100 |
| Deuteranopia (no green cones) | #37321B | 0.092 |
| Tritanopia (no blue cones) | #5E091A | 0.024 |
| Achromatopsia (no color) | #2D2D2D | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55171D
#55171D
oklch(30.9% 0.091 18.8)
- #00383A
#00383A
oklch(30.9% 0.053 198.7)
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 #55171D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burgundy #610023 ΔE 0.039
- Claret #680018 ΔE 0.044
- Mahogany #4A0100 ΔE 0.056
- Reddy Brown #6E1005 ΔE 0.059
- Chocolate Brown #411900 ΔE 0.061
- Deep Brown #410200 ΔE 0.073
- Blood #770001 ΔE 0.076
- Merlot #730039 ΔE 0.083
Use #55171D 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.