#3F9889
Closest named color: Sea (#3C9992). oklch(62.2% 0.088 180.4), rgb(63, 152, 137).
Aa
Black text reads best on this color (6.06:1).
About this color
#3F9889 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 62%, its chroma 0.088 and its hue 180°. Its hue sits on the cool side of the wheel. The nearest named color is Sea (#3C9992), ΔE 0.013 away. Black text reads best on it, at 6.06:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (62%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Sea (#3C9992) |
| Black text | 6.06:1 |
| White text | 3.46:1 |
Values
| HEX | #3F9889 |
| RGB | rgb(63, 152, 137) |
| HSL | hsl(170, 41%, 42%) |
| OKLCH | oklch(62.2% 0.088 180.4) |
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 #3F9889 | 3.46:1 | AA large text | Lc -67.4 | Content text, not long reading |
| Black text on #3F9889 | 6.06:1 | AA | Lc 42.1 | Non-text elements, placeholder text |
| #3F9889 text on white | 3.46:1 | AA large text | Lc 61.9 | Content text, not long reading |
| #3F9889 text on black | 6.06:1 | AA | Lc -39.8 | 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 500.
-
Step 50
50
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E1EDEA
oklch(93.6% 0.013 179.5)
-
Step 200
200
#C9DFDA
oklch(88.6% 0.024 180.6)
-
Step 300
300
#A3CAC2
oklch(80.9% 0.043 181.3)
-
Step 400
400
#6FAFA2
oklch(70.7% 0.069 179.9)
-
Step 500
500 (this color)
#3F9889
oklch(62.2% 0.088 180.4)
-
Step 600
600
#168576
oklch(55.5% 0.095 180.8)
-
Step 700
700
#007163
oklch(49.2% 0.089 180.3)
-
Step 800
800
#0B5C51
oklch(42.7% 0.074 180.6)
-
Step 900
900
#164B43
oklch(37.6% 0.057 181.3)
-
Step 950
950
#0F2C27
oklch(26.9% 0.036 180.5)
#3F9889 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) | #929088 | 0.093 |
| Deuteranopia (no green cones) | #84868A | 0.088 |
| Tritanopia (no blue cones) | #009A93 | 0.024 |
| Achromatopsia (no color) | #8A8A8A | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F9889
#3F9889
oklch(62.2% 0.088 180.4)
- #B37084
#B37084
oklch(62.3% 0.088 0.6)
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 #3F9889, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea #3C9992 ΔE 0.013
- Persian Green #2A9D8F ΔE 0.016
- Blue Green #0F9B8E ΔE 0.020
- Dusty Teal #4C9085 ΔE 0.023
- Grey Teal #5E9B8A ΔE 0.030
- Ocean Green #3D9973 ΔE 0.034
- Dull Teal #5F9E8F ΔE 0.036
- Teal Green #0A9396 ΔE 0.036
Use #3F9889 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.