#4F727B
Closest named color: Metallic Blue (#4F738E). oklch(52.9% 0.042 215.5), rgb(79, 114, 123).
Aa
White text reads best on this color (5.21:1).
About this color
#4F727B is a medium-dark, muted teal or cyan. In OKLCH its lightness is 53%, its chroma 0.042 and its hue 216°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.030 away. White text reads best on it, at 5.21:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (53%) |
| Chroma | muted (0.042) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 4.02:1 |
| White text | 5.21:1 |
Values
| HEX | #4F727B |
| RGB | rgb(79, 114, 123) |
| HSL | hsl(192, 22%, 40%) |
| OKLCH | oklch(52.9% 0.042 215.5) |
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 #4F727B | 5.21:1 | AA | Lc -81.2 | Fine for body text |
| Black text on #4F727B | 4.02:1 | AA large text | Lc 28.2 | Dividers and decoration only |
| #4F727B text on white | 5.21:1 | AA | Lc 75.8 | Fine for body text |
| #4F727B text on black | 4.02:1 | AA large text | Lc -25.9 | Dividers and decoration only |
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 600.
-
Step 50
50
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E6EBEC
oklch(93.7% 0.006 211)
-
Step 200
200
#D2DBDD
oklch(88.5% 0.01 212.5)
-
Step 300
300
#B4C4C8
oklch(80.9% 0.018 214.4)
-
Step 400
400
#8CA6AD
oklch(70.8% 0.031 215.8)
-
Step 500
500
#6F9098
oklch(63.1% 0.039 214.2)
-
Step 600
600 (this color)
#4F727B
oklch(52.9% 0.042 215.5)
-
Step 700
700
#47676F
oklch(49.2% 0.039 215)
-
Step 800
800
#3A545A
oklch(42.7% 0.033 213.6)
-
Step 900
900
#32454A
oklch(37.6% 0.025 215.7)
-
Step 950
950
#1E292B
oklch(27.1% 0.016 209.9)
#4F727B 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) | #6B707C | 0.038 |
| Deuteranopia (no green cones) | #646A7B | 0.035 |
| Tritanopia (no blue cones) | #3F7675 | 0.025 |
| Achromatopsia (no color) | #6C6C6C | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F727B
#4F727B
oklch(52.9% 0.042 215.5)
- #82635B
#82635B
oklch(52.9% 0.042 34.9)
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 #4F727B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.030
- Slate #516572 ΔE 0.038
- Battleship Gray #6C757D ΔE 0.041
- Dim Gray #696969 ΔE 0.043
- Deep Aqua #08787F ΔE 0.048
- Grey Blue #647D8E ΔE 0.050
- Battleship Grey #6B7C85 ΔE 0.051
- Dull Blue #49759C ΔE 0.051
Use #4F727B 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.