#3DAFEC
Closest named color: Deep Sky Blue (#00BFFF). oklch(71.7% 0.134 236.7), rgb(61, 175, 236).
Aa
Black text reads best on this color (8.54:1).
About this color
#3DAFEC is a medium-light, moderately saturated blue. In OKLCH its lightness is 72%, its chroma 0.134 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sky Blue (#00BFFF), ΔE 0.045 away. Black text reads best on it, at 8.54:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.134) |
| Temperature | cool |
| Nearest name | Deep Sky Blue (#00BFFF) |
| Black text | 8.54:1 |
| White text | 2.45:1 |
Values
| HEX | #3DAFEC |
| RGB | rgb(61, 175, 236) |
| HSL | hsl(201, 82%, 58%) |
| OKLCH | oklch(71.7% 0.134 236.7) |
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 #3DAFEC | 2.45:1 | Fails | Lc -53.0 | Large or bold text, headings |
| Black text on #3DAFEC | 8.54:1 | AAA | Lc 56.0 | Large or bold text, headings |
| #3DAFEC text on white | 2.45:1 | Fails | Lc 48.0 | Large or bold text, headings |
| #3DAFEC text on black | 8.54:1 | AAA | Lc -54.0 | 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
#EFF7FC
oklch(97.2% 0.011 234.8)
-
Step 100
100
#DBEDF8
oklch(93.6% 0.024 234.4)
-
Step 200
200
#BDDFF4
oklch(88.6% 0.046 235.2)
-
Step 300
300
#8CC9F0
oklch(80.8% 0.083 237.2)
-
Step 400
400 (this color)
#3DAFEC
oklch(71.7% 0.134 236.7)
-
Step 500
500
#0094D1
oklch(63.1% 0.137 236.6)
-
Step 600
600
#007CB0
oklch(55.5% 0.121 236.7)
-
Step 700
700
#006895
oklch(49% 0.107 237)
-
Step 800
800
#00557B
oklch(42.6% 0.093 237.2)
-
Step 900
900
#004767
oklch(37.7% 0.082 236.6)
-
Step 950
950
#002A3F
oklch(27% 0.059 236.5)
#3DAFEC 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) | #92AEEF | 0.078 |
| Deuteranopia (no green cones) | #7A9EEB | 0.063 |
| Tritanopia (no blue cones) | #00BFC4 | 0.087 |
| Achromatopsia (no color) | #A5A5A5 | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3DAFEC
#3DAFEC
oklch(71.7% 0.134 236.7)
- #E28C48
#E28C48
oklch(71.7% 0.134 56.7)
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 #3DAFEC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sky Blue #00BFFF ΔE 0.045
- Turquoise Blue #06B1C4 ΔE 0.067
- Chefchaouen Blue #4895EF ΔE 0.072
- Cornflower Blue #6495ED ΔE 0.073
- Vivid Sky Blue #4CC9F0 ΔE 0.074
- Bright Sky Blue #02CCFE ΔE 0.076
- Carolina Blue #8AB8FE ΔE 0.079
- Greyblue #77A1B5 ΔE 0.086
Use #3DAFEC 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.