#3FA1CA
Closest named color: Turquoise Blue (#06B1C4). oklch(66.9% 0.108 229.4), rgb(63, 161, 202).
Aa
Black text reads best on this color (7.16:1).
About this color
#3FA1CA is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 67%, its chroma 0.108 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.051 away. Black text reads best on it, at 7.16:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.108) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 7.16:1 |
| White text | 2.93:1 |
Values
| HEX | #3FA1CA |
| RGB | rgb(63, 161, 202) |
| HSL | hsl(198, 57%, 52%) |
| OKLCH | oklch(66.9% 0.108 229.4) |
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 #3FA1CA | 2.93:1 | Fails | Lc -60.8 | Content text, not long reading |
| Black text on #3FA1CA | 7.16:1 | AAA | Lc 48.6 | Large or bold text, headings |
| #3FA1CA text on white | 2.93:1 | Fails | Lc 55.5 | Large or bold text, headings |
| #3FA1CA text on black | 7.16:1 | AAA | Lc -46.3 | 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
#E0ECF2
oklch(93.6% 0.015 229)
-
Step 200
200
#C6DDE9
oklch(88.4% 0.03 230.3)
-
Step 300
300
#9EC8DC
oklch(80.9% 0.053 228.6)
-
Step 400
400
#65ABCB
oklch(70.7% 0.085 229.2)
-
Step 500
500 (this color)
#3FA1CA
oklch(66.9% 0.108 229.4)
-
Step 600
600
#007EA7
oklch(55.5% 0.111 230)
-
Step 700
700
#006A8D
oklch(49.1% 0.098 229.8)
-
Step 800
800
#005774
oklch(42.7% 0.085 229.4)
-
Step 900
900
#09485F
oklch(37.7% 0.07 229.1)
-
Step 950
950
#0A2A38
oklch(26.9% 0.045 230.7)
#3FA1CA 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) | #8C9FCC | 0.076 |
| Deuteranopia (no green cones) | #7991C9 | 0.065 |
| Tritanopia (no blue cones) | #00ACAF | 0.063 |
| Achromatopsia (no color) | #979797 | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FA1CA
#3FA1CA
oklch(66.9% 0.108 229.4)
- #CA8056
#CA8056
oklch(66.8% 0.108 49.7)
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 #3FA1CA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.051
- Greyblue #77A1B5 ΔE 0.057
- Faded Blue #658CBB ΔE 0.061
- Cadet Blue #5F9EA0 ΔE 0.063
- Chefchaouen Blue #4895EF ΔE 0.072
- Dark Sky Blue #448EE4 ΔE 0.073
- Bluegrey #85A3B2 ΔE 0.074
- Silver Lake Blue #778DA9 ΔE 0.075
Use #3FA1CA 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.