#551B29
Closest named color: Burgundy (#610023). oklch(31.7% 0.087 8.8), rgb(85, 27, 41).
Aa
White text reads best on this color (13.33:1).
About this color
#551B29 is a dark, moderately saturated red. In OKLCH its lightness is 32%, its chroma 0.087 and its hue 9°. 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 13.33:1.
| Hue family | Reds |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.087) |
| Temperature | warm |
| Nearest name | Burgundy (#610023) |
| Black text | 1.57:1 |
| White text | 13.33:1 |
Values
| HEX | #551B29 |
| RGB | rgb(85, 27, 41) |
| HSL | hsl(346, 52%, 22%) |
| OKLCH | oklch(31.7% 0.087 8.8) |
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 #551B29 | 13.33:1 | AAA | Lc -102.4 | Preferred for body text |
| Black text on #551B29 | 1.57:1 | Fails | Lc 0.0 | Not readable |
| #551B29 text on white | 13.33:1 | AAA | Lc 99.2 | Preferred for body text |
| #551B29 text on black | 1.57:1 | 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
#FEF2F3
oklch(97.1% 0.013 11.5)
-
Step 100
100
#FDE2E6
oklch(93.6% 0.03 7.5)
-
Step 200
200
#FCCAD1
oklch(88.5% 0.057 8.9)
-
Step 300
300
#FAA5B3
oklch(80.9% 0.102 8.8)
-
Step 400
400
#F36F8B
oklch(70.7% 0.164 9)
-
Step 500
500
#EA3D6F
oklch(63% 0.21 8.8)
-
Step 600
600
#D40058
oklch(55.7% 0.223 8.9)
-
Step 700
700
#B30049
oklch(49.1% 0.196 8.9)
-
Step 800
800
#94003B
oklch(42.7% 0.171 8.9)
-
Step 900
900
#781132
oklch(37.7% 0.136 9)
-
Step 950
950 (this color)
#551B29
oklch(31.7% 0.087 8.8)
#551B29 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) | #282829 | 0.095 |
| Deuteranopia (no green cones) | #373428 | 0.088 |
| Tritanopia (no blue cones) | #5D1320 | 0.022 |
| Achromatopsia (no color) | #2F2F2F | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #551B29
#551B29
oklch(31.7% 0.087 8.8)
- #003B38
#003B38
oklch(31.8% 0.055 189.2)
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 #551B29, 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 0.049
- Reddy Brown #6E1005 ΔE 0.066
- Mahogany #4A0100 ΔE 0.071
- Merlot #730039 ΔE 0.074
- Chocolate Brown #411900 ΔE 0.074
- Grape Purple #5D1451 ΔE 0.076
- Wine Red #7B0323 ΔE 0.082
Use #551B29 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.