#3DA4D7
Closest named color: Turquoise Blue (#06B1C4). oklch(68.1% 0.119 234.2), rgb(61, 164, 215).
Aa
Black text reads best on this color (7.48:1).
About this color
#3DA4D7 is a medium-light, moderately saturated blue. In OKLCH its lightness is 68%, its chroma 0.119 and its hue 234°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.055 away. Black text reads best on it, at 7.48:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.119) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 7.48:1 |
| White text | 2.80:1 |
Values
| HEX | #3DA4D7 |
| RGB | rgb(61, 164, 215) |
| HSL | hsl(200, 66%, 54%) |
| OKLCH | oklch(68.1% 0.119 234.2) |
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 #3DA4D7 | 2.80:1 | Fails | Lc -58.9 | Large or bold text, headings |
| Black text on #3DA4D7 | 7.48:1 | AAA | Lc 50.4 | Large or bold text, headings |
| #3DA4D7 text on white | 2.80:1 | Fails | Lc 53.6 | Large or bold text, headings |
| #3DA4D7 text on black | 7.48:1 | AAA | Lc -48.2 | 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
#EFF7FB
oklch(97.1% 0.01 228.9)
-
Step 100
100
#DDEDF6
oklch(93.7% 0.021 232.1)
-
Step 200
200
#BFDEF1
oklch(88.4% 0.042 234.9)
-
Step 300
300
#90C9EA
oklch(80.8% 0.075 234.3)
-
Step 400
400 (this color)
#3DA4D7
oklch(68.1% 0.119 234.2)
-
Step 500
500
#0095CD
oklch(63.1% 0.132 234.2)
-
Step 600
600
#007DAD
oklch(55.6% 0.117 234.3)
-
Step 700
700
#006992
oklch(49.1% 0.103 234.3)
-
Step 800
800
#005678
oklch(42.7% 0.089 233.9)
-
Step 900
900
#004865
oklch(37.8% 0.079 233.7)
-
Step 950
950
#002A3E
oklch(26.9% 0.057 235.2)
#3DA4D7 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) | #8BA3D9 | 0.075 |
| Deuteranopia (no green cones) | #7694D6 | 0.062 |
| Tritanopia (no blue cones) | #00B1B5 | 0.075 |
| Achromatopsia (no color) | #9A9A9A | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3DA4D7
#3DA4D7
oklch(68.1% 0.119 234.2)
- #D1834C
#D1834C
oklch(68.1% 0.119 54.4)
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 #3DA4D7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.055
- Chefchaouen Blue #4895EF ΔE 0.061
- Cornflower Blue #6495ED ΔE 0.065
- Greyblue #77A1B5 ΔE 0.066
- Dark Sky Blue #448EE4 ΔE 0.068
- Faded Blue #658CBB ΔE 0.071
- Cadet Blue #5F9EA0 ΔE 0.080
- Bluegrey #85A3B2 ΔE 0.082
Use #3DA4D7 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.