#551817
Closest named color: Burgundy (#610023). oklch(30.9% 0.091 25), rgb(85, 24, 23).
Aa
White text reads best on this color (13.73:1).
About this color
#551817 is a dark, moderately saturated red. In OKLCH its lightness is 31%, its chroma 0.091 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Burgundy (#610023), ΔE 0.046 away. White text reads best on it, at 13.73:1.
| Hue family | Reds |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.091) |
| Temperature | warm |
| Nearest name | Burgundy (#610023) |
| Black text | 1.52:1 |
| White text | 13.73:1 |
Values
| HEX | #551817 |
| RGB | rgb(85, 24, 23) |
| HSL | hsl(1, 57%, 21%) |
| OKLCH | oklch(30.9% 0.091 25) |
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 #551817 | 13.73:1 | AAA | Lc -102.8 | Preferred for body text |
| Black text on #551817 | 1.52:1 | Fails | Lc 0.0 | Not readable |
| #551817 text on white | 13.73:1 | AAA | Lc 99.6 | Preferred for body text |
| #551817 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
#FFF2F1
oklch(97.1% 0.014 22.8)
-
Step 100
100
#FEE2DF
oklch(93.5% 0.031 25)
-
Step 200
200
#FFCBC5
oklch(88.6% 0.06 26)
-
Step 300
300
#FFA59D
oklch(80.9% 0.108 25.3)
-
Step 400
400
#F96E68
oklch(70.6% 0.172 24.9)
-
Step 500
500
#F2393E
oklch(63.2% 0.22 25)
-
Step 600
600
#D80023
oklch(55.6% 0.225 25)
-
Step 700
700
#B7001C
oklch(49.1% 0.199 25)
-
Step 800
800
#970015
oklch(42.6% 0.173 25)
-
Step 900
900
#7C0D15
oklch(37.6% 0.143 25)
-
Step 950
950 (this color)
#551817
oklch(30.9% 0.091 25)
#551817 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) | #282516 | 0.098 |
| Deuteranopia (no green cones) | #383215 | 0.089 |
| Tritanopia (no blue cones) | #5E0918 | 0.027 |
| Achromatopsia (no color) | #2D2D2D | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #551817
#551817
oklch(30.9% 0.091 25)
- #00373D
#00373D
oklch(30.8% 0.053 206.6)
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 #551817, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burgundy #610023 ΔE 0.046
- Claret #680018 ΔE 0.046
- Mahogany #4A0100 ΔE 0.053
- Chocolate Brown #411900 ΔE 0.055
- Reddy Brown #6E1005 ΔE 0.056
- Deep Brown #410200 ΔE 0.071
- Blood #770001 ΔE 0.074
- Dark Brown #341C02 ΔE 0.082
Use #551817 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.