#33534E
Closest named color: Dark Slate Gray (#2F4F4F). oklch(41.6% 0.039 183.5), rgb(51, 83, 78).
Aa
White text reads best on this color (8.44:1).
About this color
#33534E is a dark, muted teal or cyan. In OKLCH its lightness is 42%, its chroma 0.039 and its hue 183°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.015 away. White text reads best on it, at 8.44:1.
| Hue family | Teals and cyans |
| Lightness | dark (42%) |
| Chroma | muted (0.039) |
| Temperature | cool |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.48:1 |
| White text | 8.44:1 |
Values
| HEX | #33534E |
| RGB | rgb(51, 83, 78) |
| HSL | hsl(171, 24%, 26%) |
| OKLCH | oklch(41.6% 0.039 183.5) |
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 #33534E | 8.44:1 | AAA | Lc -93.6 | Preferred for body text |
| Black text on #33534E | 2.48:1 | Fails | Lc 15.0 | Not readable |
| #33534E text on white | 8.44:1 | AAA | Lc 89.0 | Fine for body text |
| #33534E text on black | 2.48:1 | Fails | Lc -13.2 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E5EBEA
oklch(93.5% 0.007 185.3)
-
Step 200
200
#D1DCDA
oklch(88.6% 0.012 184)
-
Step 300
300
#B1C6C2
oklch(81% 0.024 183)
-
Step 400
400
#88A8A3
oklch(70.6% 0.036 184.8)
-
Step 500
500
#6A938C
oklch(63.1% 0.046 183.1)
-
Step 600
600
#517D76
oklch(55.5% 0.05 183.4)
-
Step 700
700
#416A63
oklch(49.2% 0.048 182.3)
-
Step 800
800 (this color)
#33534E
oklch(41.6% 0.039 183.5)
-
Step 900
900
#2F4743
oklch(37.7% 0.03 183.1)
-
Step 950
950
#1C2A27
oklch(27.1% 0.02 180)
#33534E 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) | #50504E | 0.041 |
| Deuteranopia (no green cones) | #4A4B4E | 0.039 |
| Tritanopia (no blue cones) | #285451 | 0.012 |
| Achromatopsia (no color) | #4D4D4D | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33534E
#33534E
oklch(41.6% 0.039 183.5)
- #5E434A
#5E434A
oklch(41.5% 0.039 1.8)
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 #33534E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.015
- Deep Teal #00555A ΔE 0.036
- Dark Blue Green #005249 ΔE 0.039
- Dark Teal #014D4E ΔE 0.045
- Dark Green Blue #1F6357 ΔE 0.050
- Charcoal #264653 ΔE 0.051
- Petrol #005F6A ΔE 0.053
- Charcoal Grey #3C4142 ΔE 0.055
Use #33534E 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.