#550A00
Closest named color: Mahogany (#4A0100). oklch(29.1% 0.108 32.6), rgb(85, 10, 0).
Aa
White text reads best on this color (14.68:1).
About this color
#550A00 is a dark, moderately saturated red. In OKLCH its lightness is 29%, its chroma 0.108 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Mahogany (#4A0100), ΔE 0.033 away. White text reads best on it, at 14.68:1.
| Hue family | Reds |
| Lightness | dark (29%) |
| Chroma | moderately saturated (0.108) |
| Temperature | warm |
| Nearest name | Mahogany (#4A0100) |
| Black text | 1.42:1 |
| White text | 14.68:1 |
Values
| HEX | #550A00 |
| RGB | rgb(85, 10, 0) |
| HSL | hsl(7, 100%, 17%) |
| OKLCH | oklch(29.1% 0.108 32.6) |
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 #550A00 | 14.68:1 | AAA | Lc -103.4 | Preferred for body text |
| Black text on #550A00 | 1.42:1 | Fails | Lc 0.0 | Not readable |
| #550A00 text on white | 14.68:1 | AAA | Lc 100.4 | Preferred for body text |
| #550A00 text on black | 1.42:1 | 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
#FFF2EF
oklch(97.1% 0.015 33.1)
-
Step 100
100
#FFE3DC
oklch(93.7% 0.032 34.3)
-
Step 200
200
#FFCBC0
oklch(88.5% 0.061 32.1)
-
Step 300
300
#FFA693
oklch(80.9% 0.11 32.7)
-
Step 400
400
#FF6B4F
oklch(70.7% 0.186 32.6)
-
Step 500
500
#F73100
oklch(63.1% 0.235 32.6)
-
Step 600
600
#D12800
oklch(55.6% 0.207 32.6)
-
Step 700
700
#B12000
oklch(49.1% 0.183 32.6)
-
Step 800
800
#921900
oklch(42.7% 0.159 32.7)
-
Step 900
900
#7B1300
oklch(37.7% 0.14 32.6)
-
Step 950
950 (this color)
#550A00
oklch(29.1% 0.108 32.6)
#550A00 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) | #231E00 | 0.116 |
| Deuteranopia (no green cones) | #352E00 | 0.103 |
| Tritanopia (no blue cones) | #5F0008 | 0.026 |
| Achromatopsia (no color) | #282828 | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #550A00
#550A00
oklch(29.1% 0.108 32.6)
- #00323A
#00323A
oklch(29.1% 0.051 211.6)
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 #550A00, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mahogany #4A0100 ΔE 0.033
- Chocolate Brown #411900 ΔE 0.049
- Claret #680018 ΔE 0.052
- Deep Brown #410200 ΔE 0.054
- Burgundy #610023 ΔE 0.055
- Reddy Brown #6E1005 ΔE 0.061
- Dark Maroon #3C0008 ΔE 0.071
- Blood #770001 ΔE 0.078
Use #550A00 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.