#334C44
Closest named color: Dark Slate Gray (#2F4F4F). oklch(39.3% 0.034 172.6), rgb(51, 76, 68).
Aa
White text reads best on this color (9.30:1).
About this color
#334C44 is a dark, muted teal or cyan. In OKLCH its lightness is 39%, its chroma 0.034 and its hue 173°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.018 away. White text reads best on it, at 9.30:1.
| Hue family | Teals and cyans |
| Lightness | dark (39%) |
| Chroma | muted (0.034) |
| Temperature | cool |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.25:1 |
| White text | 9.30:1 |
Values
| HEX | #334C44 |
| RGB | rgb(51, 76, 68) |
| HSL | hsl(161, 20%, 25%) |
| OKLCH | oklch(39.3% 0.034 172.6) |
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 #334C44 | 9.30:1 | AAA | Lc -95.8 | Preferred for body text |
| Black text on #334C44 | 2.25:1 | Fails | Lc 12.5 | Not readable |
| #334C44 text on white | 9.30:1 | AAA | Lc 91.4 | Preferred for body text |
| #334C44 text on black | 2.25:1 | Fails | Lc -10.9 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E5EBE9
oklch(93.5% 0.007 174.4)
-
Step 200
200
#D0DCD8
oklch(88.4% 0.014 174.1)
-
Step 300
300
#B1C6BF
oklch(80.9% 0.025 173.7)
-
Step 400
400
#88A99E
oklch(70.7% 0.04 172.8)
-
Step 500
500
#699486
oklch(63.1% 0.052 172.4)
-
Step 600
600
#507E70
oklch(55.5% 0.055 173)
-
Step 700
700
#406B5E
oklch(49.2% 0.053 172.8)
-
Step 800
800
#35574C
oklch(42.7% 0.044 171.7)
-
Step 900
900 (this color)
#334C44
oklch(39.3% 0.034 172.6)
-
Step 950
950
#1C2A25
oklch(27% 0.021 170.6)
#334C44 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) | #4A4944 | 0.034 |
| Deuteranopia (no green cones) | #464645 | 0.033 |
| Tritanopia (no blue cones) | #2C4C4A | 0.012 |
| Achromatopsia (no color) | #474747 | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #334C44
#334C44
oklch(39.3% 0.034 172.6)
- #553F48
#553F48
oklch(39.5% 0.034 352.4)
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 #334C44, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.018
- Charcoal Grey #3C4142 ΔE 0.036
- Dark Blue Green #005249 ΔE 0.038
- Dark Teal #014D4E ΔE 0.038
- Charcoal #264653 ΔE 0.040
- Deep Teal #00555A ΔE 0.046
- Dark Grey Blue #29465B ΔE 0.051
- Onyx #343A40 ΔE 0.058
Use #334C44 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.