#3FA3C2
Closest named color: Turquoise Blue (#06B1C4). oklch(67% 0.102 222.1), rgb(63, 163, 194).
Aa
Black text reads best on this color (7.22:1).
About this color
#3FA3C2 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 67%, its chroma 0.102 and its hue 222°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.041 away. Black text reads best on it, at 7.22:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.102) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 7.22:1 |
| White text | 2.90:1 |
Values
| HEX | #3FA3C2 |
| RGB | rgb(63, 163, 194) |
| HSL | hsl(194, 52%, 50%) |
| OKLCH | oklch(67% 0.102 222.1) |
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 #3FA3C2 | 2.90:1 | Fails | Lc -60.4 | Content text, not long reading |
| Black text on #3FA3C2 | 7.22:1 | AAA | Lc 48.9 | Large or bold text, headings |
| #3FA3C2 text on white | 2.90:1 | Fails | Lc 55.1 | Large or bold text, headings |
| #3FA3C2 text on black | 7.22:1 | AAA | Lc -46.7 | 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 400.
-
Step 50
50
#F0F7FA
oklch(97.2% 0.008 225.1)
-
Step 100
100
#DDEDF3
oklch(93.6% 0.019 222.2)
-
Step 200
200
#C1DFEA
oklch(88.5% 0.035 221.9)
-
Step 300
300
#93CADE
oklch(80.8% 0.063 222.5)
-
Step 400
400 (this color)
#3FA3C2
oklch(67% 0.102 222.1)
-
Step 500
500
#0098BC
oklch(63% 0.117 222.5)
-
Step 600
600
#00809E
oklch(55.6% 0.103 221.9)
-
Step 700
700
#006C85
oklch(49.2% 0.09 221.2)
-
Step 800
800
#00586E
oklch(42.7% 0.079 222.3)
-
Step 900
900
#00495C
oklch(37.6% 0.07 222.6)
-
Step 950
950
#002C38
oklch(27.2% 0.05 221.4)
#3FA3C2 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) | #919FC4 | 0.083 |
| Deuteranopia (no green cones) | #7F92C2 | 0.073 |
| Tritanopia (no blue cones) | #00ADAD | 0.053 |
| Achromatopsia (no color) | #979797 | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FA3C2
#3FA3C2
oklch(67% 0.102 222.1)
- #CA8063
#CA8063
oklch(67.1% 0.101 42.1)
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 #3FA3C2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.041
- Greyblue #77A1B5 ΔE 0.051
- Cadet Blue #5F9EA0 ΔE 0.051
- Light Sea Green #20B2AA ΔE 0.066
- Faded Blue #658CBB ΔE 0.067
- Bluegrey #85A3B2 ΔE 0.068
- Sea #3C9992 ΔE 0.072
- Bluey Grey #89A0B0 ΔE 0.073
Use #3FA3C2 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.