#3FA2AF
Closest named color: Cadet Blue (#5F9EA0). oklch(66% 0.092 207.3), rgb(63, 162, 175).
Aa
Black text reads best on this color (6.99:1).
About this color
#3FA2AF is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 66%, its chroma 0.092 and its hue 207°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.030 away. Black text reads best on it, at 6.99:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 6.99:1 |
| White text | 3.00:1 |
Values
| HEX | #3FA2AF |
| RGB | rgb(63, 162, 175) |
| HSL | hsl(187, 47%, 47%) |
| OKLCH | oklch(66% 0.092 207.3) |
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 #3FA2AF | 3.00:1 | AA large text | Lc -61.8 | Content text, not long reading |
| Black text on #3FA2AF | 6.99:1 | AA | Lc 47.6 | Large or bold text, headings |
| #3FA2AF text on white | 3.00:1 | AA large text | Lc 56.4 | Large or bold text, headings |
| #3FA2AF text on black | 6.99:1 | AA | Lc -45.4 | Large or bold text, headings |
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
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#E0ECEE
oklch(93.5% 0.013 208.8)
-
Step 200
200
#C7DEE2
oklch(88.5% 0.025 209.3)
-
Step 300
300
#9FC9D0
oklch(80.8% 0.045 208.8)
-
Step 400
400
#67AEB8
oklch(70.8% 0.073 207.2)
-
Step 500
500 (this color)
#3FA2AF
oklch(66% 0.092 207.3)
-
Step 600
600
#008290
oklch(55.5% 0.095 208)
-
Step 700
700
#006E79
oklch(49.2% 0.084 206.9)
-
Step 800
800
#005A63
oklch(42.7% 0.073 206.6)
-
Step 900
900
#0B4A52
oklch(37.6% 0.06 208.1)
-
Step 950
950
#0B2C30
oklch(27.1% 0.038 206.4)
#3FA2AF 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) | #959CB0 | 0.090 |
| Deuteranopia (no green cones) | #8490AF | 0.081 |
| Tritanopia (no blue cones) | #00A9A6 | 0.034 |
| Achromatopsia (no color) | #959595 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FA2AF
#3FA2AF
oklch(66% 0.092 207.3)
- #C47C73
#C47C73
oklch(66% 0.092 27.5)
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 #3FA2AF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.030
- Turquoise Blue #06B1C4 ΔE 0.045
- Sea #3C9992 ΔE 0.045
- Dull Teal #5F9E8F ΔE 0.048
- Light Sea Green #20B2AA ΔE 0.050
- Persian Green #2A9D8F ΔE 0.051
- Greyblue #77A1B5 ΔE 0.053
- Grey Teal #5E9B8A ΔE 0.054
Use #3FA2AF 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.