#33503B
Closest named color: Dark Slate Gray (#2F4F4F). oklch(40.2% 0.05 152.4), rgb(51, 80, 59).
Aa
White text reads best on this color (8.93:1).
About this color
#33503B is a dark, muted green. In OKLCH its lightness is 40%, its chroma 0.050 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 0.034 away. White text reads best on it, at 8.93:1.
| Hue family | Greens |
| Lightness | dark (40%) |
| Chroma | muted (0.050) |
| Temperature | in between |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.35:1 |
| White text | 8.93:1 |
Values
| HEX | #33503B |
| RGB | rgb(51, 80, 59) |
| HSL | hsl(137, 22%, 26%) |
| OKLCH | oklch(40.2% 0.05 152.4) |
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 #33503B | 8.93:1 | AAA | Lc -94.8 | Preferred for body text |
| Black text on #33503B | 2.35:1 | Fails | Lc 13.5 | Not readable |
| #33503B text on white | 8.93:1 | AAA | Lc 90.4 | Preferred for body text |
| #33503B text on black | 2.35:1 | Fails | Lc -11.9 | 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
#F3F6F4
oklch(97% 0.004 157.2)
-
Step 100
100
#E5ECE6
oklch(93.6% 0.011 149.9)
-
Step 200
200
#D0DDD3
oklch(88.5% 0.019 152.8)
-
Step 300
300
#AFC8B5
oklch(80.9% 0.038 152.7)
-
Step 400
400
#85AC8F
oklch(70.8% 0.06 152.6)
-
Step 500
500
#659773
oklch(63.1% 0.076 152.6)
-
Step 600
600
#4B815B
oklch(55.5% 0.083 152.4)
-
Step 700
700
#3C6D4B
oklch(49% 0.077 152.5)
-
Step 800
800
#32593E
oklch(42.7% 0.063 152.8)
-
Step 900
900 (this color)
#33503B
oklch(40.2% 0.05 152.4)
-
Step 950
950
#1A2B1F
oklch(27% 0.032 153.1)
#33503B 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) | #504B3A | 0.044 |
| Deuteranopia (no green cones) | #4B483C | 0.042 |
| Tritanopia (no blue cones) | #2E4F4A | 0.026 |
| Achromatopsia (no color) | #4A4A4A | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33503B
#33503B
oklch(40.2% 0.05 152.4)
- #583E54
#583E54
oklch(40.1% 0.05 331.9)
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 #33503B, 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 0.048
- Dark Teal #014D4E ΔE 0.049
- Deep Teal #00555A ΔE 0.053
- Charcoal Grey #3C4142 ΔE 0.056
- Spruce #0A5F38 ΔE 0.057
- Evergreen #05472A ΔE 0.059
Use #33503B 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.