#3DAED9
Closest named color: Turquoise Blue (#06B1C4). oklch(70.6% 0.117 227.6), rgb(61, 174, 217).
Aa
Black text reads best on this color (8.25:1).
About this color
#3DAED9 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 71%, its chroma 0.117 and its hue 228°. 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 8.25:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.117) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 8.25:1 |
| White text | 2.54:1 |
Values
| HEX | #3DAED9 |
| RGB | rgb(61, 174, 217) |
| HSL | hsl(197, 67%, 55%) |
| OKLCH | oklch(70.6% 0.117 227.6) |
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 #3DAED9 | 2.54:1 | Fails | Lc -54.6 | Large or bold text, headings |
| Black text on #3DAED9 | 8.25:1 | AAA | Lc 54.5 | Large or bold text, headings |
| #3DAED9 text on white | 2.54:1 | Fails | Lc 49.5 | Large or bold text, headings |
| #3DAED9 text on black | 8.25:1 | AAA | Lc -52.5 | 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 400.
-
Step 50
50
#EFF7FB
oklch(97.1% 0.01 228.9)
-
Step 100
100
#DCEDF5
oklch(93.6% 0.021 227.5)
-
Step 200
200
#BEDFEE
oklch(88.4% 0.04 227)
-
Step 300
300
#8ECBE6
oklch(81% 0.073 227.4)
-
Step 400
400 (this color)
#3DAED9
oklch(70.6% 0.117 227.6)
-
Step 500
500
#0097C3
oklch(63.1% 0.123 227.5)
-
Step 600
600
#007FA4
oklch(55.6% 0.108 227.1)
-
Step 700
700
#006B8B
oklch(49.2% 0.095 227.3)
-
Step 800
800
#005772
oklch(42.6% 0.083 227.6)
-
Step 900
900
#004960
oklch(37.8% 0.073 227.3)
-
Step 950
950
#002B3A
oklch(27% 0.052 227.2)
#3DAED9 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) | #97ABDB | 0.085 |
| Deuteranopia (no green cones) | #829CD8 | 0.073 |
| Tritanopia (no blue cones) | #00BABC | 0.066 |
| Achromatopsia (no color) | #A2A2A2 | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3DAED9
#3DAED9
oklch(70.6% 0.117 227.6)
- #DB885D
#DB885D
oklch(70.5% 0.117 47.6)
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 #3DAED9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.041
- Deep Sky Blue #00BFFF ΔE 0.062
- Greyblue #77A1B5 ΔE 0.066
- Vivid Sky Blue #4CC9F0 ΔE 0.078
- Bluegrey #85A3B2 ΔE 0.078
- Light Sea Green #20B2AA ΔE 0.078
- Chefchaouen Blue #4895EF ΔE 0.083
- Cadet Blue #5F9EA0 ΔE 0.083
Use #3DAED9 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.