#55331D
Closest named color: Purple Brown (#673A3F). oklch(35.8% 0.06 52.6), rgb(85, 51, 29).
Aa
White text reads best on this color (11.18:1).
About this color
#55331D is a dark, muted brown. In OKLCH its lightness is 36%, its chroma 0.060 and its hue 53°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.063 away. White text reads best on it, at 11.18:1.
| Hue family | Browns |
| Lightness | dark (36%) |
| Chroma | muted (0.060) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 1.87:1 |
| White text | 11.18:1 |
Values
| HEX | #55331D |
| RGB | rgb(85, 51, 29) |
| HSL | hsl(24, 49%, 22%) |
| OKLCH | oklch(35.8% 0.06 52.6) |
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 #55331D | 11.18:1 | AAA | Lc -99.5 | Preferred for body text |
| Black text on #55331D | 1.87:1 | Fails | Lc 8.2 | Not readable |
| #55331D text on white | 11.18:1 | AAA | Lc 95.7 | Preferred for body text |
| #55331D text on black | 1.87:1 | 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 900.
-
Step 50
50
#F9F4F2
oklch(97% 0.006 43.3)
-
Step 100
100
#F1E8E2
oklch(93.6% 0.013 56.2)
-
Step 200
200
#E7D5CA
oklch(88.5% 0.025 53.7)
-
Step 300
300
#D9B9A6
oklch(80.8% 0.045 52.5)
-
Step 400
400
#C59477
oklch(70.6% 0.072 51.8)
-
Step 500
500
#B57953
oklch(63% 0.092 52.7)
-
Step 600
600
#A16138
oklch(55.6% 0.1 51.9)
-
Step 700
700
#89502A
oklch(49% 0.093 52.5)
-
Step 800
800
#704224
oklch(42.7% 0.077 52.3)
-
Step 900
900 (this color)
#55331D
oklch(35.8% 0.06 52.6)
-
Step 950
950
#352114
oklch(27% 0.038 53.4)
#55331D 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) | #3D371B | 0.048 |
| Deuteranopia (no green cones) | #453E1D | 0.044 |
| Tritanopia (no blue cones) | #5D2C2E | 0.040 |
| Achromatopsia (no color) | #3B3B3B | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55331D
#55331D
oklch(35.8% 0.06 52.6)
- #154257
#154257
oklch(35.9% 0.06 232.3)
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 #55331D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.063
- Chestnut #742802 ΔE 0.065
- Mud Brown #60460F ΔE 0.067
- Charcoal Grey #3C4142 ΔE 0.068
- Onyx #343A40 ΔE 0.074
- Dark Olive #373E02 ΔE 0.076
- Reddy Brown #6E1005 ΔE 0.077
- Pakistan Green #283618 ΔE 0.084
Use #55331D 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.