#533A40
Closest named color: Purple Brown (#673A3F). oklch(37.9% 0.037 3.1), rgb(83, 58, 64).
Aa
White text reads best on this color (10.25:1).
About this color
#533A40 is a dark, muted red. In OKLCH its lightness is 38%, its chroma 0.037 and its hue 3°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.039 away. White text reads best on it, at 10.25:1.
| Hue family | Reds |
| Lightness | dark (38%) |
| Chroma | muted (0.037) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.04:1 |
| White text | 10.25:1 |
Values
| HEX | #533A40 |
| RGB | rgb(83, 58, 64) |
| HSL | hsl(346, 18%, 28%) |
| OKLCH | oklch(37.9% 0.037 3.1) |
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 #533A40 | 10.25:1 | AAA | Lc -97.8 | Preferred for body text |
| Black text on #533A40 | 2.04:1 | Fails | Lc 10.2 | Not readable |
| #533A40 text on white | 10.25:1 | AAA | Lc 93.8 | Preferred for body text |
| #533A40 text on black | 2.04:1 | 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
#F8F4F5
oklch(97.1% 0.004 360)
-
Step 100
100
#EFE8E9
oklch(93.7% 0.008 7.3)
-
Step 200
200
#E3D5D8
oklch(88.5% 0.016 2.7)
-
Step 300
300
#D1BABF
oklch(81% 0.027 2.9)
-
Step 400
400
#B9969E
oklch(70.7% 0.043 2.9)
-
Step 500
500
#A77C86
oklch(63.1% 0.055 3.4)
-
Step 600
600
#926470
oklch(55.5% 0.062 2.2)
-
Step 700
700
#7C535D
oklch(49% 0.056 3.4)
-
Step 800
800
#65444C
oklch(42.6% 0.047 3.3)
-
Step 900
900 (this color)
#533A40
oklch(37.9% 0.037 3.1)
-
Step 950
950
#302225
oklch(27% 0.022 4.4)
#533A40 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) | #3D3E40 | 0.040 |
| Deuteranopia (no green cones) | #43423F | 0.037 |
| Tritanopia (no blue cones) | #57383C | 0.010 |
| Achromatopsia (no color) | #414141 | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #533A40
#533A40
oklch(37.9% 0.037 3.1)
- #2B4944
#2B4944
oklch(38% 0.037 182.6)
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 #533A40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.039
- Charcoal Grey #3C4142 ΔE 0.043
- Onyx #343A40 ΔE 0.055
- Charcoal #264653 ΔE 0.075
- Dark Grey Blue #29465B ΔE 0.076
- Brownish Purple #76424E ΔE 0.076
- Dark Slate Gray #2F4F4F ΔE 0.078
- Gunmetal #293241 ΔE 0.082
Use #533A40 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.