#2F504A
Closest named color: Dark Slate Gray (#2F4F4F). oklch(40.4% 0.04 181.4), rgb(47, 80, 74).
Aa
White text reads best on this color (8.87:1).
About this color
#2F504A is a dark, muted teal or cyan. In OKLCH its lightness is 40%, its chroma 0.040 and its hue 181°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.010 away. White text reads best on it, at 8.87:1.
| Hue family | Teals and cyans |
| Lightness | dark (40%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.36:1 |
| White text | 8.87:1 |
Values
| HEX | #2F504A |
| RGB | rgb(47, 80, 74) |
| HSL | hsl(169, 26%, 25%) |
| OKLCH | oklch(40.4% 0.04 181.4) |
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 #2F504A | 8.87:1 | AAA | Lc -94.7 | Preferred for body text |
| Black text on #2F504A | 2.36:1 | Fails | Lc 13.7 | Not readable |
| #2F504A text on white | 8.87:1 | AAA | Lc 90.2 | Preferred for body text |
| #2F504A text on black | 2.36:1 | Fails | Lc -12.0 | 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
#D0DCD9
oklch(88.5% 0.014 179.4)
-
Step 300
300
#B1C6C1
oklch(80.9% 0.024 179.8)
-
Step 400
400
#88A9A2
oklch(70.8% 0.038 180.8)
-
Step 500
500
#69938B
oklch(63% 0.048 181.6)
-
Step 600
600
#507E75
oklch(55.7% 0.053 180.6)
-
Step 700
700
#406A62
oklch(49.1% 0.049 180.7)
-
Step 800
800 (this color)
#2F504A
oklch(40.4% 0.04 181.4)
-
Step 900
900
#2F4743
oklch(37.7% 0.03 183.1)
-
Step 950
950
#1C2A27
oklch(27.1% 0.02 180)
#2F504A 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) | #4D4C4A | 0.043 |
| Deuteranopia (no green cones) | #47484B | 0.041 |
| Tritanopia (no blue cones) | #24514E | 0.012 |
| Achromatopsia (no color) | #4A4A4A | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F504A
#2F504A
oklch(40.4% 0.04 181.4)
- #5B4047
#5B4047
oklch(40.4% 0.039 1.9)
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 #2F504A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.010
- Dark Blue Green #005249 ΔE 0.032
- Deep Teal #00555A ΔE 0.035
- Dark Teal #014D4E ΔE 0.036
- Charcoal #264653 ΔE 0.043
- Charcoal Grey #3C4142 ΔE 0.048
- Dark Grey Blue #29465B ΔE 0.051
- Dark Green Blue #1F6357 ΔE 0.058
Use #2F504A 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.