#533B33
Closest named color: Charcoal Grey (#3C4142). oklch(37.7% 0.037 39.2), rgb(83, 59, 51).
Aa
White text reads best on this color (10.28:1).
About this color
#533B33 is a dark, muted red. In OKLCH its lightness is 38%, its chroma 0.037 and its hue 39°. Its hue sits on the warm side of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.044 away. White text reads best on it, at 10.28:1.
| Hue family | Reds |
| Lightness | dark (38%) |
| Chroma | muted (0.037) |
| Temperature | warm |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.04:1 |
| White text | 10.28:1 |
Values
| HEX | #533B33 |
| RGB | rgb(83, 59, 51) |
| HSL | hsl(15, 24%, 26%) |
| OKLCH | oklch(37.7% 0.037 39.2) |
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 #533B33 | 10.28:1 | AAA | Lc -97.9 | Preferred for body text |
| Black text on #533B33 | 2.04:1 | Fails | Lc 10.1 | Not readable |
| #533B33 text on white | 10.28:1 | AAA | Lc 93.8 | Preferred for body text |
| #533B33 text on black | 2.04:1 | Fails | Lc -8.7 | 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
#F8F5F4
oklch(97.2% 0.003 39.5)
-
Step 100
100
#EFE8E6
oklch(93.6% 0.008 36.6)
-
Step 200
200
#E3D6D2
oklch(88.5% 0.015 37.9)
-
Step 300
300
#D1BBB4
oklch(80.9% 0.027 38.4)
-
Step 400
400
#BA988C
oklch(70.7% 0.044 40.4)
-
Step 500
500
#A87E70
oklch(63% 0.057 39.2)
-
Step 600
600
#936758
oklch(55.6% 0.062 39.6)
-
Step 700
700
#7D5648
oklch(49.1% 0.057 40.6)
-
Step 800
800
#66463C
oklch(42.7% 0.047 38.1)
-
Step 900
900 (this color)
#533B33
oklch(37.7% 0.037 39.2)
-
Step 950
950
#31231E
oklch(27.1% 0.023 40.5)
#533B33 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) | #413E32 | 0.034 |
| Deuteranopia (no green cones) | #464233 | 0.031 |
| Tritanopia (no blue cones) | #593739 | 0.021 |
| Achromatopsia (no color) | #404040 | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #533B33
#533B33
oklch(37.7% 0.037 39.2)
- #2A464F
#2A464F
oklch(37.6% 0.037 220.3)
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 #533B33, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.044
- Purple Brown #673A3F ΔE 0.045
- Onyx #343A40 ΔE 0.058
- Mud Brown #60460F ΔE 0.066
- Dark Slate Gray #2F4F4F ΔE 0.077
- Chestnut #742802 ΔE 0.079
- Charcoal #264653 ΔE 0.080
- Brownish Purple #76424E ΔE 0.083
Use #533B33 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.