#3F685A
Closest named color: Dark Green Blue (#1F6357). oklch(48.3% 0.052 170.4), rgb(63, 104, 90).
Aa
White text reads best on this color (6.28:1).
About this color
#3F685A is a medium-dark, muted teal or cyan. In OKLCH its lightness is 48%, its chroma 0.052 and its hue 170°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.035 away. White text reads best on it, at 6.28:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (48%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.33:1 |
| White text | 6.28:1 |
Values
| HEX | #3F685A |
| RGB | rgb(63, 104, 90) |
| HSL | hsl(160, 25%, 33%) |
| OKLCH | oklch(48.3% 0.052 170.4) |
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 #3F685A | 6.28:1 | AA | Lc -86.4 | Fine for body text |
| Black text on #3F685A | 3.33:1 | AA large text | Lc 22.8 | Dividers and decoration only |
| #3F685A text on white | 6.28:1 | AA | Lc 81.2 | Fine for body text |
| #3F685A text on black | 3.33:1 | AA large text | Lc -20.6 | 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 700.
-
Step 50
50
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E5EBE9
oklch(93.5% 0.007 174.4)
-
Step 200
200
#D1DCD8
oklch(88.5% 0.013 172.3)
-
Step 300
300
#B2C6BE
oklch(80.9% 0.024 169.7)
-
Step 400
400
#88A99D
oklch(70.7% 0.04 171)
-
Step 500
500
#6A9485
oklch(63.1% 0.051 170.5)
-
Step 600
600
#517E6F
oklch(55.6% 0.055 171.2)
-
Step 700
700 (this color)
#3F685A
oklch(48.3% 0.052 170.4)
-
Step 800
800
#36574B
oklch(42.7% 0.044 169.3)
-
Step 900
900
#2F473F
oklch(37.5% 0.033 171.7)
-
Step 950
950
#1C2A25
oklch(27% 0.021 170.6)
#3F685A 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) | #666359 | 0.053 |
| Deuteranopia (no green cones) | #5F5E5B | 0.051 |
| Tritanopia (no blue cones) | #336964 | 0.018 |
| Achromatopsia (no color) | #606060 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F685A
#3F685A
oklch(48.3% 0.052 170.4)
- #755262
#755262
oklch(48.1% 0.052 350.2)
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 #3F685A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.035
- Dark Aqua #05696B ΔE 0.042
- Dark Aquamarine #017371 ΔE 0.047
- Deep Turquoise #017374 ΔE 0.049
- Slate #516572 ΔE 0.050
- Petrol #005F6A ΔE 0.061
- Bluegreen #017A79 ΔE 0.063
- Dark Moss Green #606C38 ΔE 0.064
Use #3F685A 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.