#533D3D
Closest named color: Purple Brown (#673A3F). oklch(38.4% 0.031 18.6), rgb(83, 61, 61).
Aa
White text reads best on this color (9.98:1).
About this color
#533D3D is a dark, muted red. In OKLCH its lightness is 38%, its chroma 0.031 and its hue 19°. 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 9.98:1.
| Hue family | Reds |
| Lightness | dark (38%) |
| Chroma | muted (0.031) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.10:1 |
| White text | 9.98:1 |
Values
| HEX | #533D3D |
| RGB | rgb(83, 61, 61) |
| HSL | hsl(0, 15%, 28%) |
| OKLCH | oklch(38.4% 0.031 18.6) |
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 #533D3D | 9.98:1 | AAA | Lc -97.3 | Preferred for body text |
| Black text on #533D3D | 2.10:1 | Fails | Lc 10.8 | Not readable |
| #533D3D text on white | 9.98:1 | AAA | Lc 93.2 | Preferred for body text |
| #533D3D text on black | 2.10:1 | Fails | Lc -9.3 | 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
#F7F5F4
oklch(97.1% 0.003 48.7)
-
Step 100
100
#EEE8E8
oklch(93.6% 0.007 17.3)
-
Step 200
200
#E2D6D6
oklch(88.6% 0.013 17.4)
-
Step 300
300
#CFBBBB
oklch(80.9% 0.023 17.6)
-
Step 400
400
#B79898
oklch(70.8% 0.037 18.1)
-
Step 500
500
#A57E7E
oklch(63.1% 0.049 18.5)
-
Step 600
600
#8F6767
oklch(55.5% 0.052 18.8)
-
Step 700
700
#7A5656
oklch(49.1% 0.048 18.9)
-
Step 800
800
#634646
oklch(42.6% 0.04 18.9)
-
Step 900
900 (this color)
#533D3D
oklch(38.4% 0.031 18.6)
-
Step 950
950
#2F2323
oklch(27% 0.018 18.4)
#533D3D 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) | #41403D | 0.033 |
| Deuteranopia (no green cones) | #46443D | 0.030 |
| Tritanopia (no blue cones) | #583B3D | 0.011 |
| Achromatopsia (no color) | #424242 | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #533D3D
#533D3D
oklch(38.4% 0.031 18.6)
- #2F494A
#2F494A
oklch(38.5% 0.032 199)
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 #533D3D, 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 0.040
- Onyx #343A40 ΔE 0.057
- Dark Slate Gray #2F4F4F ΔE 0.071
- Charcoal #264653 ΔE 0.073
- Mud Brown #60460F ΔE 0.074
- Brownish Purple #76424E ΔE 0.075
- Dark Grey Blue #29465B ΔE 0.076
Use #533D3D 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.