#33523F
Closest named color: Dark Slate Gray (#2F4F4F). oklch(40.8% 0.049 156.6), rgb(51, 82, 63).
Aa
White text reads best on this color (8.67:1).
About this color
#33523F is a dark, muted green. In OKLCH its lightness is 41%, its chroma 0.049 and its hue 157°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.031 away. White text reads best on it, at 8.67:1.
| Hue family | Greens |
| Lightness | dark (41%) |
| Chroma | muted (0.049) |
| Temperature | in between |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.41:1 |
| White text | 8.67:1 |
Values
| HEX | #33523F |
| RGB | rgb(51, 82, 63) |
| HSL | hsl(143, 23%, 26%) |
| OKLCH | oklch(40.8% 0.049 156.6) |
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 #33523F | 8.67:1 | AAA | Lc -94.2 | Preferred for body text |
| Black text on #33523F | 2.41:1 | Fails | Lc 14.3 | Not readable |
| #33523F text on white | 8.67:1 | AAA | Lc 89.7 | Fine for body text |
| #33523F 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
#E6ECE8
oklch(93.7% 0.008 157.1)
-
Step 200
200
#D1DCD5
oklch(88.4% 0.015 158.2)
-
Step 300
300
#B2C6B9
oklch(80.8% 0.028 157.2)
-
Step 400
400
#8AAA95
oklch(70.8% 0.047 156.3)
-
Step 500
500
#6C947B
oklch(63% 0.058 156.9)
-
Step 600
600
#547F64
oklch(55.7% 0.064 156.1)
-
Step 700
700
#446B53
oklch(49.1% 0.059 156.5)
-
Step 800
800 (this color)
#33523F
oklch(40.8% 0.049 156.6)
-
Step 900
900
#314839
oklch(37.8% 0.038 155.5)
-
Step 950
950
#1D2A22
oklch(27% 0.023 157.4)
#33523F 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) | #524D3E | 0.046 |
| Deuteranopia (no green cones) | #4D4A40 | 0.044 |
| Tritanopia (no blue cones) | #2D514D | 0.025 |
| Achromatopsia (no color) | #4B4B4B | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33523F
#33523F
oklch(40.8% 0.049 156.6)
- #5B4054
#5B4054
oklch(40.9% 0.048 336.2)
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 #33523F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.031
- Dark Blue Green #005249 ΔE 0.037
- Pine #2B5D34 ΔE 0.045
- Deep Teal #00555A ΔE 0.049
- Dark Teal #014D4E ΔE 0.049
- Spruce #0A5F38 ΔE 0.054
- Dark Green Blue #1F6357 ΔE 0.055
- Charcoal Grey #3C4142 ΔE 0.059
Use #33523F 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.