#6BBBEB
Closest named color: Vivid Sky Blue (#4CC9F0). oklch(76% 0.105 236.7), rgb(107, 187, 235).
Aa
Black text reads best on this color (9.93:1).
About this color
#6BBBEB is a medium-light, moderately saturated blue. In OKLCH its lightness is 76%, its chroma 0.105 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Vivid Sky Blue (#4CC9F0), ΔE 0.040 away. Black text reads best on it, at 9.93:1.
| Hue family | Blues |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.105) |
| Temperature | cool |
| Nearest name | Vivid Sky Blue (#4CC9F0) |
| Black text | 9.93:1 |
| White text | 2.11:1 |
Values
| HEX | #6BBBEB |
| RGB | rgb(107, 187, 235) |
| HSL | hsl(203, 76%, 67%) |
| OKLCH | oklch(76% 0.105 236.7) |
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 #6BBBEB | 2.11:1 | Fails | Lc -45.9 | Large or bold text, headings |
| Black text on #6BBBEB | 9.93:1 | AAA | Lc 62.7 | Content text, not long reading |
| #6BBBEB text on white | 2.11:1 | Fails | Lc 41.3 | Non-text elements, placeholder text |
| #6BBBEB text on black | 9.93:1 | AAA | Lc -61.0 | 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 300.
-
Step 50
50
#EDF7FE
oklch(97.1% 0.014 238)
-
Step 100
100
#D8EEFC
oklch(93.7% 0.03 235.6)
-
Step 200
200
#B5E0FB
oklch(88.5% 0.058 235.9)
-
Step 300
300 (this color)
#6BBBEB
oklch(76% 0.105 236.7)
-
Step 400
400
#00ADF3
oklch(70.8% 0.153 236.5)
-
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)
#6BBBEB 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) | #A5BAED | 0.063 |
| Deuteranopia (no green cones) | #93ACEA | 0.054 |
| Tritanopia (no blue cones) | #00C7CB | 0.082 |
| Achromatopsia (no color) | #B2B2B2 | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6BBBEB
#6BBBEB
oklch(76% 0.105 236.7)
- #E4A06D
#E4A06D
oklch(76.1% 0.105 57.2)
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 #6BBBEB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Vivid Sky Blue #4CC9F0 ΔE 0.040
- Lightblue #7BC8F6 ΔE 0.041
- Carolina Blue #8AB8FE ΔE 0.045
- Deep Sky Blue #00BFFF ΔE 0.050
- Sky #82CAFC ΔE 0.051
- Bright Sky Blue #02CCFE ΔE 0.057
- Light Cornflower Blue #98C1D9 ΔE 0.058
- Light Grey Blue #9DBCD4 ΔE 0.061
Use #6BBBEB 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.