#551A10
Closest named color: Chocolate Brown (#411900). oklch(31% 0.09 32), rgb(85, 26, 16).
Aa
White text reads best on this color (13.62:1).
About this color
#551A10 is a dark, moderately saturated red. In OKLCH its lightness is 31%, its chroma 0.090 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.051 away. White text reads best on it, at 13.62:1.
| Hue family | Reds |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.090) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.54:1 |
| White text | 13.62:1 |
Values
| HEX | #551A10 |
| RGB | rgb(85, 26, 16) |
| HSL | hsl(9, 68%, 20%) |
| OKLCH | oklch(31% 0.09 32) |
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 #551A10 | 13.62:1 | AAA | Lc -102.7 | Preferred for body text |
| Black text on #551A10 | 1.54:1 | Fails | Lc 0.0 | Not readable |
| #551A10 text on white | 13.62:1 | AAA | Lc 99.5 | Preferred for body text |
| #551A10 text on black | 1.54:1 | 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
#FFF2F0
oklch(97.1% 0.014 28)
-
Step 100
100
#FEE3DD
oklch(93.6% 0.031 32.6)
-
Step 200
200
#FECCC1
oklch(88.6% 0.059 32.6)
-
Step 300
300
#FEA795
oklch(81% 0.107 32.3)
-
Step 400
400
#F87159
oklch(70.6% 0.171 31.9)
-
Step 500
500
#F03F21
oklch(63.1% 0.217 32.1)
-
Step 600
600
#D22400
oklch(55.6% 0.21 32)
-
Step 700
700
#B21D00
oklch(49.1% 0.186 32)
-
Step 800
800
#931600
oklch(42.7% 0.162 32)
-
Step 900
900
#7C1101
oklch(37.7% 0.143 31.8)
-
Step 950
950 (this color)
#551A10
oklch(31% 0.09 32)
#551A10 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) | #2A260F | 0.094 |
| Deuteranopia (no green cones) | #39330E | 0.086 |
| Tritanopia (no blue cones) | #5E0B18 | 0.033 |
| Achromatopsia (no color) | #2E2E2E | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #551A10
#551A10
oklch(31% 0.09 32)
- #003740
#003740
oklch(30.9% 0.054 212.3)
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 #551A10, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.051
- Claret #680018 ΔE 0.051
- Reddy Brown #6E1005 ΔE 0.054
- Mahogany #4A0100 ΔE 0.055
- Burgundy #610023 ΔE 0.055
- Deep Brown #410200 ΔE 0.073
- Blood #770001 ΔE 0.074
- Dark Brown #341C02 ΔE 0.078
Use #551A10 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.