#33523B
Closest named color: Dark Slate Gray (#2F4F4F). oklch(40.7% 0.053 151.6), rgb(51, 82, 59).
Aa
White text reads best on this color (8.71:1).
About this color
#33523B is a dark, muted green. In OKLCH its lightness is 41%, its chroma 0.053 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.037 away. White text reads best on it, at 8.71:1.
| Hue family | Greens |
| Lightness | dark (41%) |
| Chroma | muted (0.053) |
| Temperature | in between |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.41:1 |
| White text | 8.71:1 |
Values
| HEX | #33523B |
| RGB | rgb(51, 82, 59) |
| HSL | hsl(135, 23%, 26%) |
| OKLCH | oklch(40.7% 0.053 151.6) |
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 #33523B | 8.71:1 | AAA | Lc -94.3 | Preferred for body text |
| Black text on #33523B | 2.41:1 | Fails | Lc 14.2 | Not readable |
| #33523B text on white | 8.71:1 | AAA | Lc 89.8 | Fine for body text |
| #33523B 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
#D1DDD3
oklch(88.6% 0.019 150.5)
-
Step 300
300
#B3C7B7
oklch(81% 0.031 151.4)
-
Step 400
400
#8AAA91
oklch(70.7% 0.05 151.5)
-
Step 500
500
#6D9576
oklch(63.1% 0.064 151.2)
-
Step 600
600
#547F5F
oklch(55.6% 0.069 151.7)
-
Step 700
700
#446B4E
oklch(49% 0.064 151.6)
-
Step 800
800 (this color)
#33523B
oklch(40.7% 0.053 151.6)
-
Step 900
900
#314837
oklch(37.7% 0.041 152.2)
-
Step 950
950
#1D2A20
oklch(26.9% 0.026 151.5)
#33523B 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) | #524D3A | 0.046 |
| Deuteranopia (no green cones) | #4D4A3C | 0.044 |
| Tritanopia (no blue cones) | #2E514C | 0.029 |
| Achromatopsia (no color) | #4B4B4B | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33523B
#33523B
oklch(40.7% 0.053 151.6)
- #5B3F57
#5B3F57
oklch(40.8% 0.054 331.6)
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 #33523B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.037
- Dark Blue Green #005249 ΔE 0.039
- Pine #2B5D34 ΔE 0.041
- Spruce #0A5F38 ΔE 0.051
- Dark Teal #014D4E ΔE 0.053
- Deep Teal #00555A ΔE 0.054
- Navy Green #35530A ΔE 0.056
- Dark Green Blue #1F6357 ΔE 0.057
Use #33523B 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.