#33504E
Closest named color: Dark Slate Gray (#2F4F4F). oklch(40.8% 0.035 190.4), rgb(51, 80, 78).
Aa
White text reads best on this color (8.75:1).
About this color
#33504E is a dark, muted teal or cyan. In OKLCH its lightness is 41%, its chroma 0.035 and its hue 190°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.006 away. White text reads best on it, at 8.75:1.
| Hue family | Teals and cyans |
| Lightness | dark (41%) |
| Chroma | muted (0.035) |
| Temperature | cool |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.39:1 |
| White text | 8.75:1 |
Values
| HEX | #33504E |
| RGB | rgb(51, 80, 78) |
| HSL | hsl(176, 22%, 26%) |
| OKLCH | oklch(40.8% 0.035 190.4) |
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 #33504E | 8.75:1 | AAA | Lc -94.4 | Preferred for body text |
| Black text on #33504E | 2.39:1 | Fails | Lc 14.0 | Not readable |
| #33504E text on white | 8.75:1 | AAA | Lc 89.9 | Fine for body text |
| #33504E text on black | 2.39:1 | Fails | Lc -12.3 | 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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E6EBEB
oklch(93.6% 0.005 197.1)
-
Step 200
200
#D1DCDB
oklch(88.6% 0.012 190.4)
-
Step 300
300
#B2C5C3
oklch(80.8% 0.021 189.1)
-
Step 400
400
#8AA7A5
oklch(70.6% 0.032 191.3)
-
Step 500
500
#6C928F
oklch(63.1% 0.042 190.1)
-
Step 600
600
#547C79
oklch(55.6% 0.045 190)
-
Step 700
700
#446966
oklch(49.2% 0.042 189.4)
-
Step 800
800 (this color)
#33504E
oklch(40.8% 0.035 190.4)
-
Step 900
900
#314645
oklch(37.6% 0.026 192.4)
-
Step 950
950
#1D2928
oklch(26.9% 0.017 189.9)
#33504E 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) | #4D4D4E | 0.037 |
| Deuteranopia (no green cones) | #47494E | 0.034 |
| Tritanopia (no blue cones) | #29514F | 0.011 |
| Achromatopsia (no color) | #4B4B4B | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33504E
#33504E
oklch(40.8% 0.035 190.4)
- #5B4245
#5B4245
oklch(40.7% 0.035 10.7)
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 #33504E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.006
- Deep Teal #00555A ΔE 0.036
- Dark Blue Green #005249 ΔE 0.039
- Dark Teal #014D4E ΔE 0.040
- Charcoal #264653 ΔE 0.041
- Charcoal Grey #3C4142 ΔE 0.047
- Dark Grey Blue #29465B ΔE 0.047
- Petrol #005F6A ΔE 0.058
Use #33504E 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.