#33392D
Closest named color: Onyx (#343A40). oklch(33.5% 0.022 129.2), rgb(51, 57, 45).
Aa
White text reads best on this color (11.90:1).
About this color
#33392D is a dark close to neutral grey. In OKLCH its lightness is 33%, its chroma 0.022. It has too little chroma to lean warm or cool. The nearest named color is Onyx (#343A40), ΔE 0.032 away. White text reads best on it, at 11.90:1.
| Hue family | Neutrals |
| Lightness | dark (33%) |
| Chroma | close to neutral grey (0.022) |
| Temperature | neutral |
| Nearest name | Onyx (#343A40) |
| Black text | 1.76:1 |
| White text | 11.90:1 |
Values
| HEX | #33392D |
| RGB | rgb(51, 57, 45) |
| HSL | hsl(90, 12%, 20%) |
| OKLCH | oklch(33.5% 0.022 129.2) |
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 #33392D | 11.90:1 | AAA | Lc -100.9 | Preferred for body text |
| Black text on #33392D | 1.76:1 | Fails | Lc 0.0 | Not readable |
| #33392D text on white | 11.90:1 | AAA | Lc 97.3 | Preferred for body text |
| #33392D text on black | 1.76:1 | Fails | Lc 0.0 | 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
#F5F6F4
oklch(97.2% 0.003 128.5)
-
Step 100
100
#E9EAE7
oklch(93.5% 0.004 121.6)
-
Step 200
200
#D7DAD4
oklch(88.4% 0.009 128.6)
-
Step 300
300
#BDC3B8
oklch(80.9% 0.017 130.5)
-
Step 400
400
#9BA493
oklch(70.7% 0.026 130)
-
Step 500
500
#838E78
oklch(63.1% 0.035 129.1)
-
Step 600
600
#6C7861
oklch(55.6% 0.037 130.1)
-
Step 700
700
#5B6550
oklch(49.2% 0.035 128.4)
-
Step 800
800
#4A5242
oklch(42.6% 0.028 129.2)
-
Step 900
900 (this color)
#33392D
oklch(33.5% 0.022 129.2)
-
Step 950
950
#242821
oklch(27% 0.014 131.7)
#33392D 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) | #3A372C | 0.013 |
| Deuteranopia (no green cones) | #39372E | 0.012 |
| Tritanopia (no blue cones) | #343836 | 0.017 |
| Achromatopsia (no color) | #373737 | 0.022 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33392D
#33392D
oklch(33.5% 0.022 129.2)
- #3A343F
#3A343F
oklch(33.6% 0.021 309.7)
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 #33392D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.032
- Pakistan Green #283618 ΔE 0.039
- Charcoal Grey #3C4142 ΔE 0.042
- Gunmetal #293241 ΔE 0.051
- Dark Olive #373E02 ΔE 0.058
- Dark Blue Grey #1F3B4D ΔE 0.058
- Evergreen #05472A ΔE 0.064
- Midnight Green #073B4C ΔE 0.065
Use #33392D 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.