#533F3F
Closest named color: Charcoal Grey (#3C4142). oklch(38.9% 0.028 18.4), rgb(83, 63, 63).
Aa
White text reads best on this color (9.76:1).
About this color
#533F3F is a dark close to neutral grey. In OKLCH its lightness is 39%, its chroma 0.028. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.039 away. White text reads best on it, at 9.76:1.
| Hue family | Neutrals |
| Lightness | dark (39%) |
| Chroma | close to neutral grey (0.028) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.15:1 |
| White text | 9.76:1 |
Values
| HEX | #533F3F |
| RGB | rgb(83, 63, 63) |
| HSL | hsl(0, 14%, 29%) |
| OKLCH | oklch(38.9% 0.028 18.4) |
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 #533F3F | 9.76:1 | AAA | Lc -96.8 | Preferred for body text |
| Black text on #533F3F | 2.15:1 | Fails | Lc 11.3 | Not readable |
| #533F3F text on white | 9.76:1 | AAA | Lc 92.6 | Preferred for body text |
| #533F3F text on black | 2.15:1 | Fails | Lc -9.8 | 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
#F7F5F5
oklch(97.2% 0.002 17.2)
-
Step 100
100
#EEE8E8
oklch(93.6% 0.007 17.3)
-
Step 200
200
#E1D6D6
oklch(88.5% 0.012 17.4)
-
Step 300
300
#CEBBBB
oklch(80.8% 0.022 17.6)
-
Step 400
400
#B59998
oklch(70.8% 0.033 20.4)
-
Step 500
500
#A27F7F
oklch(63% 0.043 18.4)
-
Step 600
600
#8D6969
oklch(55.7% 0.046 18.6)
-
Step 700
700
#785757
oklch(49.1% 0.044 18.8)
-
Step 800
800
#614747
oklch(42.6% 0.036 18.7)
-
Step 900
900 (this color)
#533F3F
oklch(38.9% 0.028 18.4)
-
Step 950
950
#2F2323
oklch(27% 0.018 18.4)
#533F3F 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) | #43423F | 0.029 |
| Deuteranopia (no green cones) | #47453F | 0.027 |
| Tritanopia (no blue cones) | #573D3F | 0.009 |
| Achromatopsia (no color) | #444444 | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #533F3F
#533F3F
oklch(38.9% 0.028 18.4)
- #334A4A
#334A4A
oklch(39% 0.028 196)
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 #533F3F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.039
- Purple Brown #673A3F ΔE 0.039
- Onyx #343A40 ΔE 0.058
- Dark Slate Gray #2F4F4F ΔE 0.067
- Charcoal #264653 ΔE 0.071
- Mud Brown #60460F ΔE 0.073
- Brownish Purple #76424E ΔE 0.073
- Dark Grey Blue #29465B ΔE 0.074
Use #533F3F 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.