#354E4D
Closest named color: Dark Slate Gray (#2F4F4F). oklch(40.3% 0.031 192.9), rgb(53, 78, 77).
Aa
White text reads best on this color (8.94:1).
About this color
#354E4D is a dark, muted teal or cyan. In OKLCH its lightness is 40%, its chroma 0.031 and its hue 193°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.007 away. White text reads best on it, at 8.94:1.
| Hue family | Teals and cyans |
| Lightness | dark (40%) |
| Chroma | muted (0.031) |
| Temperature | cool |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.34:1 |
| White text | 8.94:1 |
Values
| HEX | #354E4D |
| RGB | rgb(53, 78, 77) |
| HSL | hsl(178, 19%, 26%) |
| OKLCH | oklch(40.3% 0.031 192.9) |
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 #354E4D | 8.94:1 | AAA | Lc -94.9 | Preferred for body text |
| Black text on #354E4D | 2.34:1 | Fails | Lc 13.5 | Not readable |
| #354E4D text on white | 8.94:1 | AAA | Lc 90.5 | Preferred for body text |
| #354E4D text on black | 2.34:1 | Fails | Lc -11.8 | 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
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E6EBEB
oklch(93.6% 0.005 197.1)
-
Step 200
200
#D2DBDB
oklch(88.5% 0.01 197)
-
Step 300
300
#B4C4C4
oklch(80.8% 0.018 196.8)
-
Step 400
400
#8DA7A5
oklch(70.8% 0.029 190.8)
-
Step 500
500
#70918F
oklch(63.1% 0.037 191.6)
-
Step 600
600
#587B7A
oklch(55.6% 0.04 193.8)
-
Step 700
700
#486866
oklch(49.2% 0.037 191.1)
-
Step 800
800 (this color)
#354E4D
oklch(40.3% 0.031 192.9)
-
Step 900
900
#334645
oklch(37.8% 0.024 192.1)
-
Step 950
950
#1E2928
oklch(27% 0.015 189.4)
#354E4D 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) | #4B4C4D | 0.032 |
| Deuteranopia (no green cones) | #46484D | 0.030 |
| Tritanopia (no blue cones) | #2C4F4E | 0.011 |
| Achromatopsia (no color) | #494949 | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #354E4D
#354E4D
oklch(40.3% 0.031 192.9)
- #584244
#584244
oklch(40.4% 0.031 12.4)
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 #354E4D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.007
- Charcoal #264653 ΔE 0.037
- Deep Teal #00555A ΔE 0.040
- Charcoal Grey #3C4142 ΔE 0.040
- Dark Teal #014D4E ΔE 0.041
- Dark Blue Green #005249 ΔE 0.042
- Dark Grey Blue #29465B ΔE 0.044
- Petrol #005F6A ΔE 0.063
Use #354E4D 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.