#551A09
Closest named color: Chocolate Brown (#411900). oklch(31% 0.092 36.3), rgb(85, 26, 9).
Aa
White text reads best on this color (13.65:1).
About this color
#551A09 is a dark, moderately saturated red. In OKLCH its lightness is 31%, its chroma 0.092 and its hue 36°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.048 away. White text reads best on it, at 13.65:1.
| Hue family | Reds |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.092) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.53:1 |
| White text | 13.65:1 |
Values
| HEX | #551A09 |
| RGB | rgb(85, 26, 9) |
| HSL | hsl(13, 81%, 18%) |
| OKLCH | oklch(31% 0.092 36.3) |
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 #551A09 | 13.65:1 | AAA | Lc -102.7 | Preferred for body text |
| Black text on #551A09 | 1.53:1 | Fails | Lc 0.0 | Not readable |
| #551A09 text on white | 13.65:1 | AAA | Lc 99.5 | Preferred for body text |
| #551A09 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
#FFF2EF
oklch(97.1% 0.015 33.1)
-
Step 100
100
#FEE3DC
oklch(93.6% 0.031 34.9)
-
Step 200
200
#FECCBE
oklch(88.5% 0.06 36.2)
-
Step 300
300
#FEA78F
oklch(80.8% 0.109 36.1)
-
Step 400
400
#F9724D
oklch(70.8% 0.174 36.2)
-
Step 500
500
#EE4400
oklch(63.1% 0.215 36.3)
-
Step 600
600
#C93800
oklch(55.5% 0.189 36.3)
-
Step 700
700
#AA2E00
oklch(49% 0.167 36.3)
-
Step 800
800
#8D2400
oklch(42.7% 0.146 36.1)
-
Step 900
900
#761D00
oklch(37.6% 0.128 36.3)
-
Step 950
950 (this color)
#551A09
oklch(31% 0.092 36.3)
#551A09 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) | #2B2507 | 0.093 |
| Deuteranopia (no green cones) | #3A3307 | 0.085 |
| Tritanopia (no blue cones) | #5E0A17 | 0.037 |
| Achromatopsia (no color) | #2E2E2E | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #551A09
#551A09
oklch(31% 0.092 36.3)
- #003742
#003742
oklch(31% 0.055 215.9)
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 #551A09, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.048
- Mahogany #4A0100 ΔE 0.054
- Reddy Brown #6E1005 ΔE 0.055
- Claret #680018 ΔE 0.055
- Burgundy #610023 ΔE 0.060
- Deep Brown #410200 ΔE 0.072
- Blood #770001 ΔE 0.074
- Dark Brown #341C02 ΔE 0.076
Use #551A09 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.