#551A0B
Closest named color: Chocolate Brown (#411900). oklch(31% 0.091 35.2), rgb(85, 26, 11).
Aa
White text reads best on this color (13.64:1).
About this color
#551A0B is a dark, moderately saturated red. In OKLCH its lightness is 31%, its chroma 0.091 and its hue 35°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.049 away. White text reads best on it, at 13.64:1.
| Hue family | Reds |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.091) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.53:1 |
| White text | 13.64:1 |
Values
| HEX | #551A0B |
| RGB | rgb(85, 26, 11) |
| HSL | hsl(12, 77%, 19%) |
| OKLCH | oklch(31% 0.091 35.2) |
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 #551A0B | 13.64:1 | AAA | Lc -102.7 | Preferred for body text |
| Black text on #551A0B | 1.53:1 | Fails | Lc 0.0 | Not readable |
| #551A0B text on white | 13.64:1 | AAA | Lc 99.5 | Preferred for body text |
| #551A0B 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
#FECCBF
oklch(88.5% 0.06 35)
-
Step 300
300
#FEA791
oklch(80.9% 0.108 34.9)
-
Step 400
400
#F97250
oklch(70.8% 0.173 35.3)
-
Step 500
500
#F13F00
oklch(63.1% 0.221 35.1)
-
Step 600
600
#CB3400
oklch(55.5% 0.194 35.2)
-
Step 700
700
#AC2B00
oklch(49.1% 0.171 35.3)
-
Step 800
800
#8E2100
oklch(42.6% 0.149 35.1)
-
Step 900
900
#781B00
oklch(37.8% 0.132 35.3)
-
Step 950
950 (this color)
#551A0B
oklch(31% 0.091 35.2)
#551A0B 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) | #2B2509 | 0.093 |
| Deuteranopia (no green cones) | #393309 | 0.086 |
| Tritanopia (no blue cones) | #5E0A17 | 0.036 |
| Achromatopsia (no color) | #2E2E2E | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #551A0B
#551A0B
oklch(31% 0.091 35.2)
- #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 #551A0B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.049
- Claret #680018 ΔE 0.054
- Mahogany #4A0100 ΔE 0.054
- Reddy Brown #6E1005 ΔE 0.054
- Burgundy #610023 ΔE 0.059
- Deep Brown #410200 ΔE 0.072
- Blood #770001 ΔE 0.074
- Dark Brown #341C02 ΔE 0.076
Use #551A0B 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.