#4F717C
Closest named color: Metallic Blue (#4F738E). oklch(52.7% 0.042 220), rgb(79, 113, 124).
Aa
White text reads best on this color (5.26:1).
About this color
#4F717C is a medium-dark, muted teal or cyan. In OKLCH its lightness is 53%, its chroma 0.042 and its hue 220°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.028 away. White text reads best on it, at 5.26:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (53%) |
| Chroma | muted (0.042) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 3.98:1 |
| White text | 5.26:1 |
Values
| HEX | #4F717C |
| RGB | rgb(79, 113, 124) |
| HSL | hsl(195, 22%, 40%) |
| OKLCH | oklch(52.7% 0.042 220) |
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 #4F717C | 5.26:1 | AA | Lc -81.5 | Fine for body text |
| Black text on #4F717C | 3.98:1 | AA large text | Lc 27.9 | Dividers and decoration only |
| #4F717C text on white | 5.26:1 | AA | Lc 76.1 | Fine for body text |
| #4F717C text on black | 3.98:1 | AA large text | Lc -25.6 | 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
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E6EBEC
oklch(93.7% 0.006 211)
-
Step 200
200
#D2DBDE
oklch(88.5% 0.011 219.6)
-
Step 300
300
#B4C4C9
oklch(81% 0.019 218.4)
-
Step 400
400
#8CA5AE
oklch(70.6% 0.031 221.6)
-
Step 500
500
#708F9A
oklch(63% 0.039 221.6)
-
Step 600
600 (this color)
#4F717C
oklch(52.7% 0.042 220)
-
Step 700
700
#476670
oklch(49% 0.039 219.9)
-
Step 800
800
#3B535B
oklch(42.6% 0.032 220.5)
-
Step 900
900
#33454B
oklch(37.7% 0.025 220.3)
-
Step 950
950
#1E282C
oklch(26.9% 0.016 224.2)
#4F717C 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) | #6A6F7D | 0.036 |
| Deuteranopia (no green cones) | #63697C | 0.034 |
| Tritanopia (no blue cones) | #3F7574 | 0.027 |
| Achromatopsia (no color) | #6C6C6C | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F717C
#4F717C
oklch(52.7% 0.042 220)
- #816359
#816359
oklch(52.7% 0.042 39.2)
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 #4F717C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.028
- Slate #516572 ΔE 0.035
- Battleship Gray #6C757D ΔE 0.042
- Dim Gray #696969 ΔE 0.043
- Deep Aqua #08787F ΔE 0.049
- Dull Blue #49759C ΔE 0.049
- Grey Blue #647D8E ΔE 0.051
- Stormy Blue #507B9C ΔE 0.052
Use #4F717C 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.