#2F505C
Closest named color: Dark Slate Gray (#2F4F4F). oklch(41.1% 0.043 223.2), rgb(47, 80, 92).
Aa
White text reads best on this color (8.66:1).
About this color
#2F505C is a dark, muted teal or cyan. In OKLCH its lightness is 41%, its chroma 0.043 and its hue 223°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.022 away. White text reads best on it, at 8.66:1.
| Hue family | Teals and cyans |
| Lightness | dark (41%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.42:1 |
| White text | 8.66:1 |
Values
| HEX | #2F505C |
| RGB | rgb(47, 80, 92) |
| HSL | hsl(196, 32%, 27%) |
| OKLCH | oklch(41.1% 0.043 223.2) |
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 #2F505C | 8.66:1 | AAA | Lc -94.2 | Preferred for body text |
| Black text on #2F505C | 2.42:1 | Fails | Lc 14.3 | Not readable |
| #2F505C text on white | 8.66:1 | AAA | Lc 89.7 | Fine for body text |
| #2F505C text on black | 2.42:1 | Fails | Lc -12.6 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E5EBED
oklch(93.6% 0.007 219.6)
-
Step 200
200
#D0DBE0
oklch(88.5% 0.014 226.6)
-
Step 300
300
#B0C5CD
oklch(81% 0.026 222.7)
-
Step 400
400
#86A7B3
oklch(70.8% 0.04 222)
-
Step 500
500
#6791A1
oklch(63.2% 0.052 223.6)
-
Step 600
600
#4D7B8C
oklch(55.6% 0.057 223.5)
-
Step 700
700
#3E6777
oklch(49% 0.053 224.9)
-
Step 800
800 (this color)
#2F505C
oklch(41.1% 0.043 223.2)
-
Step 900
900
#2D464F
oklch(37.8% 0.034 222.5)
-
Step 950
950
#1B292E
oklch(27% 0.021 222)
#2F505C 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) | #494E5D | 0.035 |
| Deuteranopia (no green cones) | #42495C | 0.032 |
| Tritanopia (no blue cones) | #1A5454 | 0.029 |
| Achromatopsia (no color) | #4B4B4B | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F505C
#2F505C
oklch(41.1% 0.043 223.2)
- #5F4338
#5F4338
oklch(41.1% 0.043 42.4)
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 #2F505C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.022
- Deep Teal #00555A ΔE 0.033
- Dark Grey Blue #29465B ΔE 0.034
- Charcoal #264653 ΔE 0.036
- Dark Teal #014D4E ΔE 0.044
- Petrol #005F6A ΔE 0.049
- Dark Blue Green #005249 ΔE 0.050
- Charcoal Grey #3C4142 ΔE 0.054
Use #2F505C 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.