#3FA7C7
Closest named color: Turquoise Blue (#06B1C4). oklch(68.2% 0.105 222), rgb(63, 167, 199).
Aa
Black text reads best on this color (7.56:1).
About this color
#3FA7C7 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 68%, its chroma 0.105 and its hue 222°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.033 away. Black text reads best on it, at 7.56:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.105) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 7.56:1 |
| White text | 2.77:1 |
Values
| HEX | #3FA7C7 |
| RGB | rgb(63, 167, 199) |
| HSL | hsl(194, 55%, 51%) |
| OKLCH | oklch(68.2% 0.105 222) |
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 #3FA7C7 | 2.77:1 | Fails | Lc -58.5 | Large or bold text, headings |
| Black text on #3FA7C7 | 7.56:1 | AAA | Lc 50.8 | Large or bold text, headings |
| #3FA7C7 text on white | 2.77:1 | Fails | Lc 53.2 | Large or bold text, headings |
| #3FA7C7 text on black | 7.56:1 | AAA | Lc -48.6 | 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
#EFF7FA
oklch(97.1% 0.009 222.1)
-
Step 100
100
#DDEDF3
oklch(93.6% 0.019 222.2)
-
Step 200
200
#C0DFEB
oklch(88.5% 0.037 223.2)
-
Step 300
300
#92CBDF
oklch(81% 0.065 221.7)
-
Step 400
400 (this color)
#3FA7C7
oklch(68.2% 0.105 222)
-
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)
#3FA7C7 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) | #94A3C9 | 0.084 |
| Deuteranopia (no green cones) | #8195C7 | 0.075 |
| Tritanopia (no blue cones) | #00B1B1 | 0.054 |
| Achromatopsia (no color) | #9B9B9B | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FA7C7
#3FA7C7
oklch(68.2% 0.105 222)
- #CF8264
#CF8264
oklch(68.1% 0.105 42)
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 #3FA7C7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.033
- Greyblue #77A1B5 ΔE 0.051
- Cadet Blue #5F9EA0 ΔE 0.057
- Light Sea Green #20B2AA ΔE 0.064
- Bluegrey #85A3B2 ΔE 0.067
- Bluey Grey #89A0B0 ΔE 0.073
- Faded Blue #658CBB ΔE 0.075
- Topaz #13BBAF ΔE 0.078
Use #3FA7C7 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.