#551637
Closest named color: Burgundy (#610023). oklch(31.6% 0.1 352.1), rgb(85, 22, 55).
Aa
White text reads best on this color (13.49:1).
About this color
#551637 is a dark, moderately saturated red. In OKLCH its lightness is 32%, its chroma 0.100 and its hue 352°. Its hue sits on the warm side of the wheel. The nearest named color is Burgundy (#610023), ΔE 0.043 away. White text reads best on it, at 13.49:1.
| Hue family | Reds |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.100) |
| Temperature | warm |
| Nearest name | Burgundy (#610023) |
| Black text | 1.55:1 |
| White text | 13.49:1 |
Values
| HEX | #551637 |
| RGB | rgb(85, 22, 55) |
| HSL | hsl(329, 59%, 21%) |
| OKLCH | oklch(31.6% 0.1 352.1) |
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 #551637 | 13.49:1 | AAA | Lc -102.5 | Preferred for body text |
| Black text on #551637 | 1.55:1 | Fails | Lc 0.0 | Not readable |
| #551637 text on white | 13.49:1 | AAA | Lc 99.3 | Preferred for body text |
| #551637 text on black | 1.55:1 | 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
#FFF1F6
oklch(97.1% 0.016 353.6)
-
Step 100
100
#FDE1EC
oklch(93.6% 0.034 352)
-
Step 200
200
#FDC8DE
oklch(88.6% 0.066 351.8)
-
Step 300
300
#FBA0C8
oklch(80.8% 0.118 352.1)
-
Step 400
400
#F466AD
oklch(70.7% 0.188 351.9)
-
Step 500
500
#EB2898
oklch(63.1% 0.241 352.1)
-
Step 600
600
#CD0081
oklch(55.7% 0.231 352.2)
-
Step 700
700
#AD006C
oklch(49.1% 0.203 352.2)
-
Step 800
800
#8F0059
oklch(42.7% 0.177 351.9)
-
Step 900
900
#78004A
oklch(37.6% 0.156 351.9)
-
Step 950
950 (this color)
#551637
oklch(31.6% 0.1 352.1)
#551637 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) | #202738 | 0.111 |
| Deuteranopia (no green cones) | #323336 | 0.099 |
| Tritanopia (no blue cones) | #5C1224 | 0.036 |
| Achromatopsia (no color) | #2E2E2E | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #551637
#551637
oklch(31.6% 0.1 352.1)
- #003C2E
#003C2E
oklch(31.7% 0.062 171.3)
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 #551637, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burgundy #610023 ΔE 0.043
- Grape Purple #5D1451 ΔE 0.049
- Deep Violet #490648 ΔE 0.057
- Plum Purple #4E0550 ΔE 0.062
- Claret #680018 ΔE 0.063
- Eggplant Purple #430541 ΔE 0.063
- Merlot #730039 ΔE 0.066
- Aubergine #3D0734 ΔE 0.068
Use #551637 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.