#551819
Closest named color: Burgundy (#610023). oklch(30.9% 0.091 23.2), rgb(85, 24, 25).
Aa
White text reads best on this color (13.71:1).
About this color
#551819 is a dark, moderately saturated red. In OKLCH its lightness is 31%, its chroma 0.091 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Burgundy (#610023), ΔE 0.044 away. White text reads best on it, at 13.71:1.
| Hue family | Reds |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.091) |
| Temperature | warm |
| Nearest name | Burgundy (#610023) |
| Black text | 1.53:1 |
| White text | 13.71:1 |
Values
| HEX | #551819 |
| RGB | rgb(85, 24, 25) |
| HSL | hsl(359, 56%, 21%) |
| OKLCH | oklch(30.9% 0.091 23.2) |
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 #551819 | 13.71:1 | AAA | Lc -102.8 | Preferred for body text |
| Black text on #551819 | 1.53:1 | Fails | Lc 0.0 | Not readable |
| #551819 text on white | 13.71:1 | AAA | Lc 99.6 | Preferred for body text |
| #551819 text on black | 1.53:1 | 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
#FEE2E0
oklch(93.5% 0.031 22.6)
-
Step 200
200
#FECAC7
oklch(88.4% 0.06 22.2)
-
Step 300
300
#FFA5A0
oklch(81% 0.108 23.2)
-
Step 400
400
#F96E6C
oklch(70.7% 0.171 23.3)
-
Step 500
500
#F13944
oklch(63.1% 0.219 23.4)
-
Step 600
600
#D8002B
oklch(55.7% 0.225 23.3)
-
Step 700
700
#B70023
oklch(49.2% 0.199 23.2)
-
Step 800
800
#97001B
oklch(42.7% 0.172 23.3)
-
Step 900
900
#7C0C19
oklch(37.6% 0.143 23.1)
-
Step 950
950 (this color)
#551819
oklch(30.9% 0.091 23.2)
#551819 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) | #282519 | 0.098 |
| Deuteranopia (no green cones) | #383217 | 0.089 |
| Tritanopia (no blue cones) | #5E0919 | 0.027 |
| Achromatopsia (no color) | #2D2D2D | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #551819
#551819
oklch(30.9% 0.091 23.2)
- #00383C
#00383C
oklch(31% 0.053 202.6)
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 #551819, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burgundy #610023 ΔE 0.044
- Claret #680018 ΔE 0.046
- Mahogany #4A0100 ΔE 0.054
- Reddy Brown #6E1005 ΔE 0.057
- Chocolate Brown #411900 ΔE 0.057
- Deep Brown #410200 ΔE 0.072
- Blood #770001 ΔE 0.075
- Dark Brown #341C02 ΔE 0.083
Use #551819 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.