#4D7170
Closest named color: Slate (#516572). oklch(52.1% 0.041 193.8), rgb(77, 113, 112).
Aa
White text reads best on this color (5.36:1).
About this color
#4D7170 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 52%, its chroma 0.041 and its hue 194°. Its hue sits on the cool side of the wheel. The nearest named color is Slate (#516572), ΔE 0.038 away. White text reads best on it, at 5.36:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (52%) |
| Chroma | muted (0.041) |
| Temperature | cool |
| Nearest name | Slate (#516572) |
| Black text | 3.91:1 |
| White text | 5.36:1 |
Values
| HEX | #4D7170 |
| RGB | rgb(77, 113, 112) |
| HSL | hsl(178, 19%, 37%) |
| OKLCH | oklch(52.1% 0.041 193.8) |
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 #4D7170 | 5.36:1 | AA | Lc -82.0 | Fine for body text |
| Black text on #4D7170 | 3.91:1 | AA large text | Lc 27.4 | Dividers and decoration only |
| #4D7170 text on white | 5.36:1 | AA | Lc 76.7 | Fine for body text |
| #4D7170 text on black | 3.91:1 | AA large text | Lc -25.0 | 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 700.
-
Step 50
50
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E6EBEB
oklch(93.6% 0.005 197.1)
-
Step 200
200
#D1DBDB
oklch(88.4% 0.011 197)
-
Step 300
300
#B3C5C4
oklch(80.9% 0.02 192.7)
-
Step 400
400
#8BA7A6
oklch(70.7% 0.031 193.8)
-
Step 500
500
#6D9290
oklch(63.2% 0.041 192)
-
Step 600
600
#547C7B
oklch(55.6% 0.045 194)
-
Step 700
700 (this color)
#4D7170
oklch(52.1% 0.041 193.8)
-
Step 800
800
#395554
oklch(42.7% 0.034 193.2)
-
Step 900
900
#314646
oklch(37.7% 0.026 196.1)
-
Step 950
950
#1D2929
oklch(27% 0.017 196.2)
#4D7170 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) | #6D6D70 | 0.044 |
| Deuteranopia (no green cones) | #666870 | 0.041 |
| Tritanopia (no blue cones) | #407371 | 0.014 |
| Achromatopsia (no color) | #6B6B6B | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D7170
#4D7170
oklch(52.1% 0.041 193.8)
- #7F6062
#7F6062
oklch(52.1% 0.041 14.2)
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 #4D7170, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.038
- Dim Gray #696969 ΔE 0.041
- Deep Aqua #08787F ΔE 0.047
- Metallic Blue #4F738E ΔE 0.047
- Deep Turquoise #017374 ΔE 0.048
- Bluegreen #017A79 ΔE 0.049
- Dark Aquamarine #017371 ΔE 0.049
- Battleship Gray #6C757D ΔE 0.049
Use #4D7170 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.