#3F897D
Closest named color: Dusty Teal (#4C9085). oklch(57.9% 0.076 181.5), rgb(63, 137, 125).
Aa
Black text reads best on this color (5.08:1).
About this color
#3F897D is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 58%, its chroma 0.076 and its hue 181°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.026 away. Black text reads best on it, at 5.08:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.08:1 |
| White text | 4.12:1 |
Values
| HEX | #3F897D |
| RGB | rgb(63, 137, 125) |
| HSL | hsl(170, 37%, 39%) |
| OKLCH | oklch(57.9% 0.076 181.5) |
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 #3F897D | 4.12:1 | AA large text | Lc -73.7 | Content text, not long reading |
| Black text on #3F897D | 5.08:1 | AA | Lc 35.9 | Non-text elements, placeholder text |
| #3F897D text on white | 4.12:1 | AA large text | Lc 68.2 | Content text, not long reading |
| #3F897D text on black | 5.08:1 | AA | Lc -33.5 | Non-text elements, placeholder text |
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
#F2F6F5
oklch(97% 0.004 179.7)
-
Step 100
100
#E3ECEA
oklch(93.6% 0.01 181.4)
-
Step 200
200
#CCDDDA
oklch(88.4% 0.019 184.2)
-
Step 300
300
#A9C8C2
oklch(80.8% 0.034 182.4)
-
Step 400
400
#7AACA3
oklch(70.6% 0.055 182.3)
-
Step 500
500
#56988C
oklch(63.2% 0.07 180.9)
-
Step 600
600 (this color)
#3F897D
oklch(57.9% 0.076 181.5)
-
Step 700
700
#296E63
oklch(49.1% 0.071 181)
-
Step 800
800
#245A51
oklch(42.8% 0.059 180.8)
-
Step 900
900
#234A43
oklch(37.8% 0.046 180.6)
-
Step 950
950
#152B27
oklch(26.9% 0.029 181)
#3F897D 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) | #84827D | 0.082 |
| Deuteranopia (no green cones) | #78797E | 0.078 |
| Tritanopia (no blue cones) | #138B85 | 0.023 |
| Achromatopsia (no color) | #7D7D7D | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F897D
#3F897D
oklch(57.9% 0.076 181.5)
- #A06777
#A06777
oklch(58% 0.076 1.5)
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 #3F897D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.026
- Dark Cyan #008B8B ΔE 0.030
- Teal Green #0A9396 ΔE 0.042
- Teal #008080 ΔE 0.044
- Slate Green #658D6D ΔE 0.047
- Sea #3C9992 ΔE 0.049
- Viridian #1E9167 ΔE 0.052
- Blue Green #0F9B8E ΔE 0.052
Use #3F897D 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.