#551529
Closest named color: Burgundy (#610023). oklch(31% 0.095 5.7), rgb(85, 21, 41).
Aa
White text reads best on this color (13.76:1).
About this color
#551529 is a dark, moderately saturated red. In OKLCH its lightness is 31%, its chroma 0.095 and its hue 6°. Its hue sits on the warm side of the wheel. The nearest named color is Burgundy (#610023), ΔE 0.032 away. White text reads best on it, at 13.76:1.
| Hue family | Reds |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.095) |
| Temperature | warm |
| Nearest name | Burgundy (#610023) |
| Black text | 1.52:1 |
| White text | 13.76:1 |
Values
| HEX | #551529 |
| RGB | rgb(85, 21, 41) |
| HSL | hsl(341, 60%, 21%) |
| OKLCH | oklch(31% 0.095 5.7) |
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 #551529 | 13.76:1 | AAA | Lc -102.8 | Preferred for body text |
| Black text on #551529 | 1.52:1 | Fails | Lc 0.0 | Not readable |
| #551529 text on white | 13.76:1 | AAA | Lc 99.6 | Preferred for body text |
| #551529 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
#FFF2F4
oklch(97.2% 0.014 6.7)
-
Step 100
100
#FEE1E6
oklch(93.5% 0.033 6)
-
Step 200
200
#FFC9D3
oklch(88.6% 0.063 6)
-
Step 300
300
#FFA1B6
oklch(80.9% 0.114 5.4)
-
Step 400
400
#F96890
oklch(70.8% 0.18 5.8)
-
Step 500
500
#F12B75
oklch(63.1% 0.231 5.6)
-
Step 600
600
#D30060
oklch(55.7% 0.224 5.7)
-
Step 700
700
#B20050
oklch(49.1% 0.197 5.7)
-
Step 800
800
#930041
oklch(42.6% 0.171 5.6)
-
Step 900
900
#7C0136
oklch(37.7% 0.151 5.5)
-
Step 950
950 (this color)
#551529
oklch(31% 0.095 5.7)
#551529 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) | #232529 | 0.107 |
| Deuteranopia (no green cones) | #343227 | 0.098 |
| Tritanopia (no blue cones) | #5D0A1D | 0.025 |
| Achromatopsia (no color) | #2D2D2D | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #551529
#551529
oklch(31% 0.095 5.7)
- #003934
#003934
oklch(31% 0.055 185.3)
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 #551529, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burgundy #610023 ΔE 0.032
- Claret #680018 ΔE 0.048
- Mahogany #4A0100 ΔE 0.067
- Reddy Brown #6E1005 ΔE 0.070
- Merlot #730039 ΔE 0.072
- Grape Purple #5D1451 ΔE 0.073
- Dark Plum #3F012C ΔE 0.073
- Aubergine #3D0734 ΔE 0.075
Use #551529 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.