#3F7167
Closest named color: Dark Aquamarine (#017371). oklch(51% 0.057 179.6), rgb(63, 113, 103).
Aa
White text reads best on this color (5.57:1).
About this color
#3F7167 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 51%, its chroma 0.057 and its hue 180°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.034 away. White text reads best on it, at 5.57:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (51%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Dark Aquamarine (#017371) |
| Black text | 3.76:1 |
| White text | 5.57:1 |
Values
| HEX | #3F7167 |
| RGB | rgb(63, 113, 103) |
| HSL | hsl(168, 28%, 35%) |
| OKLCH | oklch(51% 0.057 179.6) |
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 #3F7167 | 5.57:1 | AA | Lc -83.0 | Fine for body text |
| Black text on #3F7167 | 3.76:1 | AA large text | Lc 26.3 | Dividers and decoration only |
| #3F7167 text on white | 5.57:1 | AA | Lc 77.7 | Fine for body text |
| #3F7167 text on black | 3.76:1 | AA large text | Lc -24.0 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E4ECEA
oklch(93.6% 0.009 179.6)
-
Step 200
200
#CFDDD9
oklch(88.6% 0.016 177)
-
Step 300
300
#AEC7C1
oklch(80.9% 0.028 179.5)
-
Step 400
400
#83AAA1
oklch(70.7% 0.044 179.2)
-
Step 500
500
#63958A
oklch(63.1% 0.056 179)
-
Step 600
600
#497F74
oklch(55.5% 0.06 179.4)
-
Step 700
700 (this color)
#3F7167
oklch(51% 0.057 179.6)
-
Step 800
800
#305850
oklch(42.8% 0.048 179.6)
-
Step 900
900
#2B4842
oklch(37.7% 0.037 179.7)
-
Step 950
950
#1A2A27
oklch(27% 0.022 181.6)
#3F7167 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) | #6D6C67 | 0.060 |
| Deuteranopia (no green cones) | #656568 | 0.058 |
| Tritanopia (no blue cones) | #2C726E | 0.018 |
| Achromatopsia (no color) | #686868 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F7167
#3F7167
oklch(51% 0.057 179.6)
- #825965
#825965
oklch(51.2% 0.056 0.1)
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 #3F7167, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aquamarine #017371 ΔE 0.034
- Deep Turquoise #017374 ΔE 0.036
- Bluegreen #017A79 ΔE 0.040
- Deep Aqua #08787F ΔE 0.043
- Dark Aqua #05696B ΔE 0.048
- Slate #516572 ΔE 0.050
- Teal #008080 ΔE 0.052
- Dim Gray #696969 ΔE 0.058
Use #3F7167 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.