#533B3A
Closest named color: Purple Brown (#673A3F). oklch(37.9% 0.034 21.5), rgb(83, 59, 58).
Aa
White text reads best on this color (10.22:1).
About this color
#533B3A is a dark, muted red. In OKLCH its lightness is 38%, its chroma 0.034 and its hue 22°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.040 away. White text reads best on it, at 10.22:1.
| Hue family | Reds |
| Lightness | dark (38%) |
| Chroma | muted (0.034) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.05:1 |
| White text | 10.22:1 |
Values
| HEX | #533B3A |
| RGB | rgb(83, 59, 58) |
| HSL | hsl(2, 18%, 28%) |
| OKLCH | oklch(37.9% 0.034 21.5) |
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 #533B3A | 10.22:1 | AAA | Lc -97.7 | Preferred for body text |
| Black text on #533B3A | 2.05:1 | Fails | Lc 10.2 | Not readable |
| #533B3A text on white | 10.22:1 | AAA | Lc 93.7 | Preferred for body text |
| #533B3A text on black | 2.05:1 | Fails | Lc -8.8 | 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
#F8F4F4
oklch(97% 0.004 17.2)
-
Step 100
100
#EFE8E8
oklch(93.6% 0.008 17.3)
-
Step 200
200
#E2D6D5
oklch(88.5% 0.013 23.2)
-
Step 300
300
#D1BAB9
oklch(80.8% 0.026 20.7)
-
Step 400
400
#B99795
oklch(70.7% 0.041 22.1)
-
Step 500
500
#A77D7B
oklch(63% 0.053 21.8)
-
Step 600
600
#926664
oklch(55.6% 0.057 22)
-
Step 700
700
#7C5553
oklch(49.1% 0.052 22.4)
-
Step 800
800
#654544
oklch(42.6% 0.044 21.1)
-
Step 900
900 (this color)
#533B3A
oklch(37.9% 0.034 21.5)
-
Step 950
950
#302222
oklch(26.9% 0.022 18.6)
#533B3A 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) | #403E3A | 0.035 |
| Deuteranopia (no green cones) | #45433A | 0.034 |
| Tritanopia (no blue cones) | #58383B | 0.013 |
| Achromatopsia (no color) | #414141 | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #533B3A
#533B3A
oklch(37.9% 0.034 21.5)
- #2B484A
#2B484A
oklch(38% 0.035 201.4)
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 #533B3A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.040
- Charcoal Grey #3C4142 ΔE 0.042
- Onyx #343A40 ΔE 0.056
- Mud Brown #60460F ΔE 0.075
- Dark Slate Gray #2F4F4F ΔE 0.076
- Charcoal #264653 ΔE 0.076
- Brownish Purple #76424E ΔE 0.078
- Dark Grey Blue #29465B ΔE 0.080
Use #533B3A 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.