#3FA0C3
Closest named color: Turquoise Blue (#06B1C4). oklch(66.3% 0.103 225.6), rgb(63, 160, 195).
Aa
Black text reads best on this color (7.02:1).
About this color
#3FA0C3 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 66%, its chroma 0.103 and its hue 226°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.049 away. Black text reads best on it, at 7.02:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.103) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 7.02:1 |
| White text | 2.98:1 |
Values
| HEX | #3FA0C3 |
| RGB | rgb(63, 160, 195) |
| HSL | hsl(196, 52%, 51%) |
| OKLCH | oklch(66.3% 0.103 225.6) |
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 #3FA0C3 | 2.98:1 | Fails | Lc -61.6 | Content text, not long reading |
| Black text on #3FA0C3 | 7.02:1 | AAA | Lc 47.8 | Large or bold text, headings |
| #3FA0C3 text on white | 2.98:1 | Fails | Lc 56.2 | Large or bold text, headings |
| #3FA0C3 text on black | 7.02:1 | AAA | Lc -45.5 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E0ECF1
oklch(93.6% 0.015 224.5)
-
Step 200
200
#C7DDE7
oklch(88.4% 0.027 226.8)
-
Step 300
300
#9FC8DA
oklch(80.9% 0.05 226.5)
-
Step 400
400
#66ABC7
oklch(70.6% 0.081 226.1)
-
Step 500
500 (this color)
#3FA0C3
oklch(66.3% 0.103 225.6)
-
Step 600
600
#007FA2
oklch(55.5% 0.106 225.7)
-
Step 700
700
#006B89
oklch(49.1% 0.094 225.7)
-
Step 800
800
#005871
oklch(42.8% 0.081 225.4)
-
Step 900
900
#0A495D
oklch(37.8% 0.068 225.4)
-
Step 950
950
#0A2B36
oklch(27.1% 0.042 224)
#3FA0C3 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) | #8D9DC5 | 0.079 |
| Deuteranopia (no green cones) | #7B8FC3 | 0.070 |
| Tritanopia (no blue cones) | #00AAAB | 0.058 |
| Achromatopsia (no color) | #959595 | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FA0C3
#3FA0C3
oklch(66.3% 0.103 225.6)
- #C77E5C
#C77E5C
oklch(66.2% 0.103 45.5)
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 #3FA0C3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.049
- Greyblue #77A1B5 ΔE 0.054
- Cadet Blue #5F9EA0 ΔE 0.054
- Faded Blue #658CBB ΔE 0.059
- Silver Lake Blue #778DA9 ΔE 0.070
- Blue Grey #758DA3 ΔE 0.071
- Blue NCS #118AB2 ΔE 0.072
- Bluegrey #85A3B2 ΔE 0.072
Use #3FA0C3 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.