#2F494A
Closest named color: Dark Slate Gray (#2F4F4F). oklch(38.5% 0.032 199), rgb(47, 73, 74).
Aa
White text reads best on this color (9.66:1).
About this color
#2F494A is a dark, muted teal or cyan. In OKLCH its lightness is 38%, its chroma 0.032 and its hue 199°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.019 away. White text reads best on it, at 9.66:1.
| Hue family | Teals and cyans |
| Lightness | dark (38%) |
| Chroma | muted (0.032) |
| Temperature | cool |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.17:1 |
| White text | 9.66:1 |
Values
| HEX | #2F494A |
| RGB | rgb(47, 73, 74) |
| HSL | hsl(182, 22%, 24%) |
| OKLCH | oklch(38.5% 0.032 199) |
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 #2F494A | 9.66:1 | AAA | Lc -96.6 | Preferred for body text |
| Black text on #2F494A | 2.17:1 | Fails | Lc 11.6 | Not readable |
| #2F494A text on white | 9.66:1 | AAA | Lc 92.4 | Preferred for body text |
| #2F494A text on black | 2.17:1 | Fails | Lc -10.1 | 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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E5EBEB
oklch(93.6% 0.006 197)
-
Step 200
200
#D0DCDC
oklch(88.5% 0.013 196.9)
-
Step 300
300
#B0C6C6
oklch(81% 0.024 196.7)
-
Step 400
400
#85A8A9
oklch(70.6% 0.038 198.5)
-
Step 500
500
#669395
oklch(63.2% 0.049 199.5)
-
Step 600
600
#4C7D7F
oklch(55.6% 0.053 199.1)
-
Step 700
700
#3D696B
oklch(49% 0.049 199.4)
-
Step 800
800
#335657
oklch(42.7% 0.041 198.1)
-
Step 900
900 (this color)
#2F494A
oklch(38.5% 0.032 199)
-
Step 950
950
#1B2A2A
oklch(27.2% 0.02 196)
#2F494A 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) | #46474A | 0.033 |
| Deuteranopia (no green cones) | #41434A | 0.031 |
| Tritanopia (no blue cones) | #254B49 | 0.013 |
| Achromatopsia (no color) | #444444 | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F494A
#2F494A
oklch(38.5% 0.032 199)
- #533D3D
#533D3D
oklch(38.4% 0.031 18.6)
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 #2F494A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.019
- Charcoal #264653 ΔE 0.023
- Charcoal Grey #3C4142 ΔE 0.029
- Dark Teal #014D4E ΔE 0.033
- Dark Grey Blue #29465B ΔE 0.034
- Dark Blue Green #005249 ΔE 0.042
- Deep Teal #00555A ΔE 0.045
- Onyx #343A40 ΔE 0.047
Use #2F494A 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.