#33523D
Closest named color: Dark Slate Gray (#2F4F4F). oklch(40.8% 0.051 154), rgb(51, 82, 61).
Aa
White text reads best on this color (8.69:1).
About this color
#33523D is a dark, muted green. In OKLCH its lightness is 41%, its chroma 0.051 and its hue 154°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.034 away. White text reads best on it, at 8.69:1.
| Hue family | Greens |
| Lightness | dark (41%) |
| Chroma | muted (0.051) |
| Temperature | in between |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.41:1 |
| White text | 8.69:1 |
Values
| HEX | #33523D |
| RGB | rgb(51, 82, 61) |
| HSL | hsl(139, 23%, 26%) |
| OKLCH | oklch(40.8% 0.051 154) |
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 #33523D | 8.69:1 | AAA | Lc -94.2 | Preferred for body text |
| Black text on #33523D | 2.41:1 | Fails | Lc 14.2 | Not readable |
| #33523D text on white | 8.69:1 | AAA | Lc 89.8 | Fine for body text |
| #33523D text on black | 2.41:1 | Fails | Lc -12.5 | 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 800.
-
Step 50
50
#F3F6F4
oklch(97% 0.004 157.2)
-
Step 100
100
#E6ECE7
oklch(93.7% 0.009 150.7)
-
Step 200
200
#D1DCD4
oklch(88.4% 0.016 154.4)
-
Step 300
300
#B3C7B8
oklch(81% 0.03 153.2)
-
Step 400
400
#8AAA93
oklch(70.7% 0.048 153.8)
-
Step 500
500
#6C9579
oklch(63.2% 0.062 154.5)
-
Step 600
600
#547F61
oklch(55.6% 0.067 153.4)
-
Step 700
700
#446B51
oklch(49.1% 0.061 154.4)
-
Step 800
800 (this color)
#33523D
oklch(40.8% 0.051 154)
-
Step 900
900
#314838
oklch(37.7% 0.04 153.8)
-
Step 950
950
#1D2A21
oklch(27% 0.024 154.3)
#33523D 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) | #524D3C | 0.046 |
| Deuteranopia (no green cones) | #4D4A3E | 0.044 |
| Tritanopia (no blue cones) | #2D514C | 0.026 |
| Achromatopsia (no color) | #4B4B4B | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33523D
#33523D
oklch(40.8% 0.051 154)
- #5B3F55
#5B3F55
oklch(40.7% 0.051 334.4)
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 #33523D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.034
- Dark Blue Green #005249 ΔE 0.038
- Pine #2B5D34 ΔE 0.043
- Dark Teal #014D4E ΔE 0.051
- Deep Teal #00555A ΔE 0.052
- Spruce #0A5F38 ΔE 0.052
- Dark Green Blue #1F6357 ΔE 0.056
- Navy Green #35530A ΔE 0.059
Use #33523D 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.