#6BBBDA
Closest named color: Vivid Sky Blue (#4CC9F0). oklch(75.2% 0.09 225.2), rgb(107, 187, 218).
Aa
Black text reads best on this color (9.74:1).
About this color
#6BBBDA is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 75%, its chroma 0.090 and its hue 225°. Its hue sits on the cool side of the wheel. The nearest named color is Vivid Sky Blue (#4CC9F0), ΔE 0.043 away. Black text reads best on it, at 9.74:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Vivid Sky Blue (#4CC9F0) |
| Black text | 9.74:1 |
| White text | 2.15:1 |
Values
| HEX | #6BBBDA |
| RGB | rgb(107, 187, 218) |
| HSL | hsl(197, 60%, 64%) |
| OKLCH | oklch(75.2% 0.09 225.2) |
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 #6BBBDA | 2.15:1 | Fails | Lc -46.9 | Large or bold text, headings |
| Black text on #6BBBDA | 9.74:1 | AAA | Lc 61.8 | Content text, not long reading |
| #6BBBDA text on white | 2.15:1 | Fails | Lc 42.2 | Non-text elements, placeholder text |
| #6BBBDA text on black | 9.74:1 | 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
#F0F7F9
oklch(97.1% 0.008 216.6)
-
Step 100
100
#DFECF2
oklch(93.5% 0.016 227)
-
Step 200
200
#C4DEE9
oklch(88.5% 0.032 225.1)
-
Step 300
300
#9AC9DC
oklch(80.9% 0.056 224.7)
-
Step 400
400 (this color)
#6BBBDA
oklch(75.2% 0.09 225.2)
-
Step 500
500
#1797BE
oklch(63.1% 0.115 225.5)
-
Step 600
600
#007FA2
oklch(55.5% 0.106 225.7)
-
Step 700
700
#006B88
oklch(49.1% 0.093 224.9)
-
Step 800
800
#005870
oklch(42.8% 0.081 224.4)
-
Step 900
900
#00495E
oklch(37.7% 0.071 225)
-
Step 950
950
#042B38
oklch(27% 0.048 225.4)
#6BBBDA 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) | #AAB8DC | 0.070 |
| Deuteranopia (no green cones) | #9AABDA | 0.063 |
| Tritanopia (no blue cones) | #28C4C5 | 0.062 |
| Achromatopsia (no color) | #B1B1B1 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6BBBDA
#6BBBDA
oklch(75.2% 0.09 225.2)
- #DF9D7F
#DF9D7F
oklch(75.3% 0.09 45.3)
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 #6BBBDA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Vivid Sky Blue #4CC9F0 ΔE 0.043
- Lightblue #7BC8F6 ΔE 0.052
- Light Cornflower Blue #98C1D9 ΔE 0.052
- Light Grey Blue #9DBCD4 ΔE 0.054
- Sky Blue #87CEEB ΔE 0.063
- Sky #82CAFC ΔE 0.064
- Deep Sky Blue #00BFFF ΔE 0.065
- Bright Sky Blue #02CCFE ΔE 0.066
Use #6BBBDA 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.