#55312D
Closest named color: Purple Brown (#673A3F). oklch(35.7% 0.053 26.9), rgb(85, 49, 45).
Aa
White text reads best on this color (11.26:1).
About this color
#55312D is a dark, muted red. In OKLCH its lightness is 36%, its chroma 0.053 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.051 away. White text reads best on it, at 11.26:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | muted (0.053) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 1.86:1 |
| White text | 11.26:1 |
Values
| HEX | #55312D |
| RGB | rgb(85, 49, 45) |
| HSL | hsl(6, 31%, 25%) |
| OKLCH | oklch(35.7% 0.053 26.9) |
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 #55312D | 11.26:1 | AAA | Lc -99.6 | Preferred for body text |
| Black text on #55312D | 1.86:1 | Fails | Lc 8.0 | Not readable |
| #55312D text on white | 11.26:1 | AAA | Lc 95.9 | Preferred for body text |
| #55312D text on black | 1.86:1 | 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
#F9F4F3
oklch(97.1% 0.006 31.1)
-
Step 100
100
#F2E7E6
oklch(93.6% 0.012 23.7)
-
Step 200
200
#E8D4D1
oklch(88.5% 0.023 27.8)
-
Step 300
300
#D9B7B3
oklch(80.8% 0.04 25.9)
-
Step 400
400
#C6928B
oklch(70.8% 0.064 27.5)
-
Step 500
500
#B6766F
oklch(63.1% 0.082 26.5)
-
Step 600
600
#A15E57
oklch(55.6% 0.089 26.7)
-
Step 700
700
#8A4D47
oklch(49.1% 0.084 26.5)
-
Step 800
800
#70403A
oklch(42.8% 0.068 27.9)
-
Step 900
900 (this color)
#55312D
oklch(35.7% 0.053 26.9)
-
Step 950
950
#35201D
oklch(27% 0.033 28.4)
#55312D 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) | #39362D | 0.054 |
| Deuteranopia (no green cones) | #423D2C | 0.050 |
| Tritanopia (no blue cones) | #5C2C30 | 0.021 |
| Achromatopsia (no color) | #3B3B3B | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55312D
#55312D
oklch(35.7% 0.053 26.9)
- #11444A
#11444A
oklch(35.7% 0.053 206.4)
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 #55312D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.051
- Charcoal Grey #3C4142 ΔE 0.062
- Onyx #343A40 ΔE 0.065
- Chestnut #742802 ΔE 0.072
- Reddy Brown #6E1005 ΔE 0.076
- Claret #680018 ΔE 0.084
- Mud Brown #60460F ΔE 0.084
- Gunmetal #293241 ΔE 0.086
Use #55312D 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.