#3BAAEA
Closest named color: Deep Sky Blue (#00BFFF). oklch(70.4% 0.135 238.7), rgb(59, 170, 234).
Aa
Black text reads best on this color (8.12:1).
About this color
#3BAAEA is a medium-light, moderately saturated blue. In OKLCH its lightness is 70%, its chroma 0.135 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sky Blue (#00BFFF), ΔE 0.057 away. Black text reads best on it, at 8.12:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.135) |
| Temperature | cool |
| Nearest name | Deep Sky Blue (#00BFFF) |
| Black text | 8.12:1 |
| White text | 2.58:1 |
Values
| HEX | #3BAAEA |
| RGB | rgb(59, 170, 234) |
| HSL | hsl(202, 81%, 57%) |
| OKLCH | oklch(70.4% 0.135 238.7) |
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 #3BAAEA | 2.58:1 | Fails | Lc -55.3 | Large or bold text, headings |
| Black text on #3BAAEA | 8.12:1 | AAA | Lc 53.9 | Large or bold text, headings |
| #3BAAEA text on white | 2.58:1 | Fails | Lc 50.1 | Large or bold text, headings |
| #3BAAEA text on black | 8.12:1 | AAA | Lc -51.8 | 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
#DCEDF9
oklch(93.7% 0.024 238.4)
-
Step 200
200
#BEDEF5
oklch(88.5% 0.046 239.3)
-
Step 300
300
#8DC9F2
oklch(81% 0.085 239)
-
Step 400
400 (this color)
#3BAAEA
oklch(70.4% 0.135 238.7)
-
Step 500
500
#0093D5
oklch(63.1% 0.142 238.9)
-
Step 600
600
#007CB4
oklch(55.7% 0.125 238.6)
-
Step 700
700
#006898
oklch(49.2% 0.11 238.7)
-
Step 800
800
#00557D
oklch(42.7% 0.096 238.5)
-
Step 900
900
#004769
oklch(37.8% 0.084 238.3)
-
Step 950
950
#002A40
oklch(27% 0.06 237.8)
#3BAAEA 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) | #8CAAED | 0.074 |
| Deuteranopia (no green cones) | #749AE9 | 0.059 |
| Tritanopia (no blue cones) | #00BAC0 | 0.089 |
| Achromatopsia (no color) | #A1A1A1 | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3BAAEA
#3BAAEA
oklch(70.4% 0.135 238.7)
- #DD883F
#DD883F
oklch(70.3% 0.136 58.3)
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 #3BAAEA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sky Blue #00BFFF ΔE 0.057
- Chefchaouen Blue #4895EF ΔE 0.059
- Cornflower Blue #6495ED ΔE 0.062
- Turquoise Blue #06B1C4 ΔE 0.069
- Dark Sky Blue #448EE4 ΔE 0.075
- Greyblue #77A1B5 ΔE 0.085
- Dodger Blue #1E90FF ΔE 0.086
- Vivid Sky Blue #4CC9F0 ΔE 0.088
Use #3BAAEA 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.