#3F8993
Closest named color: Teal Blue (#01889F). oklch(58.7% 0.075 207.2), rgb(63, 137, 147).
Aa
Black text reads best on this color (5.21:1).
About this color
#3F8993 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 59%, its chroma 0.075 and its hue 207°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Blue (#01889F), ΔE 0.032 away. Black text reads best on it, at 5.21:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Teal Blue (#01889F) |
| Black text | 5.21:1 |
| White text | 4.02:1 |
Values
| HEX | #3F8993 |
| RGB | rgb(63, 137, 147) |
| HSL | hsl(187, 40%, 41%) |
| OKLCH | oklch(58.7% 0.075 207.2) |
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 #3F8993 | 4.02:1 | AA large text | Lc -72.9 | Content text, not long reading |
| Black text on #3F8993 | 5.21:1 | AA | Lc 36.7 | Non-text elements, placeholder text |
| #3F8993 text on white | 4.02:1 | AA large text | Lc 67.4 | Content text, not long reading |
| #3F8993 text on black | 5.21:1 | AA | Lc -34.3 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E3ECED
oklch(93.7% 0.01 204.9)
-
Step 200
200
#CCDDDF
oklch(88.5% 0.018 205.3)
-
Step 300
300
#A8C7CC
oklch(80.8% 0.034 208.4)
-
Step 400
400
#79ABB2
oklch(70.8% 0.054 206.9)
-
Step 500
500
#54959F
oklch(63% 0.068 208.3)
-
Step 600
600 (this color)
#3F8993
oklch(58.7% 0.075 207.2)
-
Step 700
700
#266C75
oklch(49.2% 0.07 207.1)
-
Step 800
800
#22585F
oklch(42.8% 0.057 206.9)
-
Step 900
900
#22484E
oklch(37.6% 0.044 208.8)
-
Step 950
950
#152A2D
oklch(26.9% 0.027 207.4)
#3F8993 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) | #7F8494 | 0.073 |
| Deuteranopia (no green cones) | #727A93 | 0.068 |
| Tritanopia (no blue cones) | #008E8C | 0.033 |
| Achromatopsia (no color) | #7F7F7F | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F8993
#3F8993
oklch(58.7% 0.075 207.2)
- #A46B64
#A46B64
oklch(58.7% 0.074 27.2)
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 #3F8993, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Blue #01889F ΔE 0.032
- Dark Cyan #008B8B ΔE 0.032
- Teal Green #0A9396 ΔE 0.034
- Dusty Teal #4C9085 ΔE 0.037
- Grey Blue #647D8E ΔE 0.047
- Sea #3C9992 ΔE 0.049
- Cerulean #457B9D ΔE 0.049
- Stormy Blue #507B9C ΔE 0.049
Use #3F8993 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.