#3CBBFB
Closest named color: Deep Sky Blue (#00BFFF). oklch(75.1% 0.142 235.6), rgb(60, 187, 251).
Aa
Black text reads best on this color (9.69:1).
About this color
#3CBBFB is a medium-light, vivid blue. In OKLCH its lightness is 75%, its chroma 0.142 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sky Blue (#00BFFF), ΔE 0.016 away. Black text reads best on it, at 9.69:1.
| Hue family | Blues |
| Lightness | medium-light (75%) |
| Chroma | vivid (0.142) |
| Temperature | cool |
| Nearest name | Deep Sky Blue (#00BFFF) |
| Black text | 9.69:1 |
| White text | 2.16:1 |
Values
| HEX | #3CBBFB |
| RGB | rgb(60, 187, 251) |
| HSL | hsl(200, 96%, 61%) |
| OKLCH | oklch(75.1% 0.142 235.6) |
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 #3CBBFB | 2.16:1 | Fails | Lc -46.9 | Large or bold text, headings |
| Black text on #3CBBFB | 9.69:1 | AAA | Lc 61.8 | Content text, not long reading |
| #3CBBFB text on white | 2.16:1 | Fails | Lc 42.2 | Non-text elements, placeholder text |
| #3CBBFB text on black | 9.69:1 | AAA | Lc -60.0 | Content text, not long reading |
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
#EEF7FC
oklch(97.1% 0.012 231.7)
-
Step 100
100
#DAEDF9
oklch(93.6% 0.026 235.4)
-
Step 200
200
#BBDFF6
oklch(88.5% 0.049 236.2)
-
Step 300
300
#87CAF2
oklch(80.9% 0.088 235.6)
-
Step 400
400 (this color)
#3CBBFB
oklch(75.1% 0.142 235.6)
-
Step 500
500
#0094CF
oklch(63% 0.135 235.8)
-
Step 600
600
#007DAF
oklch(55.7% 0.119 235.4)
-
Step 700
700
#006994
oklch(49.2% 0.105 235.5)
-
Step 800
800
#00567A
oklch(42.8% 0.091 235.4)
-
Step 900
900
#004766
oklch(37.6% 0.081 235.8)
-
Step 950
950
#002A3F
oklch(27% 0.059 236.5)
#3CBBFB 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) | #9CBAFE | 0.084 |
| Deuteranopia (no green cones) | #82A8FA | 0.070 |
| Tritanopia (no blue cones) | #00CCD1 | 0.090 |
| Achromatopsia (no color) | #B0B0B0 | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3CBBFB
#3CBBFB
oklch(75.1% 0.142 235.6)
- #F2944D
#F2944D
oklch(75.1% 0.142 55.4)
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 #3CBBFB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sky Blue #00BFFF ΔE 0.016
- Bright Sky Blue #02CCFE ΔE 0.045
- Vivid Sky Blue #4CC9F0 ΔE 0.048
- Carolina Blue #8AB8FE ΔE 0.064
- Lightblue #7BC8F6 ΔE 0.064
- Sky #82CAFC ΔE 0.072
- Light Sky Blue #87CEFA ΔE 0.084
- Turquoise Blue #06B1C4 ΔE 0.085
Use #3CBBFB 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.