#2F4750
Closest named color: Charcoal (#264653). oklch(38.2% 0.033 223.4), rgb(47, 71, 80).
Aa
White text reads best on this color (9.82:1).
About this color
#2F4750 is a dark, muted teal or cyan. In OKLCH its lightness is 38%, its chroma 0.033 and its hue 223°. Its hue sits on the cool side of the wheel. The nearest named color is Charcoal (#264653), ΔE 0.013 away. White text reads best on it, at 9.82:1.
| Hue family | Teals and cyans |
| Lightness | dark (38%) |
| Chroma | muted (0.033) |
| Temperature | cool |
| Nearest name | Charcoal (#264653) |
| Black text | 2.13:1 |
| White text | 9.82:1 |
Values
| HEX | #2F4750 |
| RGB | rgb(47, 71, 80) |
| HSL | hsl(196, 26%, 25%) |
| OKLCH | oklch(38.2% 0.033 223.4) |
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 #2F4750 | 9.82:1 | AAA | Lc -96.9 | Preferred for body text |
| Black text on #2F4750 | 2.13:1 | Fails | Lc 11.2 | Not readable |
| #2F4750 text on white | 9.82:1 | AAA | Lc 92.7 | Preferred for body text |
| #2F4750 text on black | 2.13:1 | Fails | Lc -9.7 | 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
#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
#6791A0
oklch(63.1% 0.051 222.1)
-
Step 600
600
#4E7B8B
oklch(55.7% 0.055 222.5)
-
Step 700
700
#3F6776
oklch(49% 0.051 223.9)
-
Step 800
800
#345460
oklch(42.6% 0.042 223.7)
-
Step 900
900 (this color)
#2F4750
oklch(38.2% 0.033 223.4)
-
Step 950
950
#1B292E
oklch(27% 0.021 222)
#2F4750 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) | #424651 | 0.027 |
| Deuteranopia (no green cones) | #3D4250 | 0.024 |
| Tritanopia (no blue cones) | #234A4A | 0.022 |
| Achromatopsia (no color) | #434343 | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F4750
#2F4750
oklch(38.2% 0.033 223.4)
- #533D35
#533D35
oklch(38.2% 0.034 40.9)
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 #2F4750, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.013
- Dark Grey Blue #29465B ΔE 0.021
- Dark Slate Gray #2F4F4F ΔE 0.027
- Charcoal Grey #3C4142 ΔE 0.029
- Dark Teal #014D4E ΔE 0.038
- Onyx #343A40 ΔE 0.043
- Dark Blue Grey #1F3B4D ΔE 0.046
- Deep Teal #00555A ΔE 0.049
Use #2F4750 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.