#553330
Closest named color: Purple Brown (#673A3F). oklch(36.2% 0.05 25.3), rgb(85, 51, 48).
Aa
White text reads best on this color (11.03:1).
About this color
#553330 is a dark, muted red. In OKLCH its lightness is 36%, its chroma 0.050 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.047 away. White text reads best on it, at 11.03:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | muted (0.050) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 1.90:1 |
| White text | 11.03:1 |
Values
| HEX | #553330 |
| RGB | rgb(85, 51, 48) |
| HSL | hsl(5, 28%, 26%) |
| OKLCH | oklch(36.2% 0.05 25.3) |
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 #553330 | 11.03:1 | AAA | Lc -99.2 | Preferred for body text |
| Black text on #553330 | 1.90:1 | Fails | Lc 8.5 | Not readable |
| #553330 text on white | 11.03:1 | AAA | Lc 95.4 | Preferred for body text |
| #553330 text on black | 1.90:1 | 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
#F9F4F4
oklch(97.1% 0.005 17.2)
-
Step 100
100
#F1E7E6
oklch(93.6% 0.011 24.3)
-
Step 200
200
#E7D4D2
oklch(88.5% 0.021 24.8)
-
Step 300
300
#D8B8B4
oklch(80.9% 0.037 26.4)
-
Step 400
400
#C3938E
oklch(70.7% 0.059 25.4)
-
Step 500
500
#B37772
oklch(63% 0.076 24.7)
-
Step 600
600
#9E5F5A
oklch(55.5% 0.083 25)
-
Step 700
700
#874F4A
oklch(49.1% 0.076 25.7)
-
Step 800
800
#6E413D
oklch(42.8% 0.064 25.5)
-
Step 900
900 (this color)
#553330
oklch(36.2% 0.05 25.3)
-
Step 950
950
#34201E
oklch(26.8% 0.032 25.7)
#553330 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) | #3A3830 | 0.052 |
| Deuteranopia (no green cones) | #423F2F | 0.050 |
| Tritanopia (no blue cones) | #5C2F32 | 0.018 |
| Achromatopsia (no color) | #3C3C3C | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #553330
#553330
oklch(36.2% 0.05 25.3)
- #17454A
#17454A
oklch(36.1% 0.05 205.2)
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 #553330, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.047
- Charcoal Grey #3C4142 ΔE 0.058
- Onyx #343A40 ΔE 0.063
- Chestnut #742802 ΔE 0.073
- Reddy Brown #6E1005 ΔE 0.080
- Mud Brown #60460F ΔE 0.082
- Gunmetal #293241 ΔE 0.085
- Claret #680018 ΔE 0.089
Use #553330 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.