#551618
Closest named color: Burgundy (#610023). oklch(30.6% 0.093 22.8), rgb(85, 22, 24).
Aa
White text reads best on this color (13.86:1).
About this color
#551618 is a dark, moderately saturated red. In OKLCH its lightness is 31%, its chroma 0.093 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Burgundy (#610023), ΔE 0.042 away. White text reads best on it, at 13.86:1.
| Hue family | Reds |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.093) |
| Temperature | warm |
| Nearest name | Burgundy (#610023) |
| Black text | 1.51:1 |
| White text | 13.86:1 |
Values
| HEX | #551618 |
| RGB | rgb(85, 22, 24) |
| HSL | hsl(358, 59%, 21%) |
| OKLCH | oklch(30.6% 0.093 22.8) |
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 #551618 | 13.86:1 | AAA | Lc -102.9 | Preferred for body text |
| Black text on #551618 | 1.51:1 | Fails | Lc 0.0 | Not readable |
| #551618 text on white | 13.86:1 | AAA | Lc 99.8 | Preferred for body text |
| #551618 text on black | 1.51:1 | 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
#FFE2E0
oklch(93.6% 0.032 22.5)
-
Step 200
200
#FFCAC7
oklch(88.5% 0.061 22.1)
-
Step 300
300
#FFA4A0
oklch(80.8% 0.109 22.5)
-
Step 400
400
#FB6C6B
oklch(70.7% 0.176 23.1)
-
Step 500
500
#F43343
oklch(63.1% 0.226 22.9)
-
Step 600
600
#D8002D
oklch(55.7% 0.225 22.8)
-
Step 700
700
#B70024
oklch(49.2% 0.198 23)
-
Step 800
800
#97001C
oklch(42.7% 0.172 22.9)
-
Step 900
900
#7E0718
oklch(37.8% 0.147 23)
-
Step 950
950 (this color)
#551618
oklch(30.6% 0.093 22.8)
#551618 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) | #272418 | 0.101 |
| Deuteranopia (no green cones) | #373116 | 0.092 |
| Tritanopia (no blue cones) | #5E0617 | 0.026 |
| Achromatopsia (no color) | #2C2C2C | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #551618
#551618
oklch(30.6% 0.093 22.8)
- #00373B
#00373B
oklch(30.7% 0.052 202.7)
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 #551618, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burgundy #610023 ΔE 0.042
- Claret #680018 ΔE 0.044
- Mahogany #4A0100 ΔE 0.051
- Chocolate Brown #411900 ΔE 0.057
- Reddy Brown #6E1005 ΔE 0.057
- Deep Brown #410200 ΔE 0.069
- Blood #770001 ΔE 0.075
- Dark Maroon #3C0008 ΔE 0.081
Use #551618 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.