#6BBBD5
Closest named color: Vivid Sky Blue (#4CC9F0). oklch(75.1% 0.087 221.1), rgb(107, 187, 213).
Aa
Black text reads best on this color (9.69:1).
About this color
#6BBBD5 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 75%, its chroma 0.087 and its hue 221°. Its hue sits on the cool side of the wheel. The nearest named color is Vivid Sky Blue (#4CC9F0), ΔE 0.047 away. Black text reads best on it, at 9.69:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Vivid Sky Blue (#4CC9F0) |
| Black text | 9.69:1 |
| White text | 2.16:1 |
Values
| HEX | #6BBBD5 |
| RGB | rgb(107, 187, 213) |
| HSL | hsl(195, 56%, 63%) |
| OKLCH | oklch(75.1% 0.087 221.1) |
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 #6BBBD5 | 2.16:1 | Fails | Lc -47.1 | Large or bold text, headings |
| Black text on #6BBBD5 | 9.69:1 | AAA | Lc 61.5 | Content text, not long reading |
| #6BBBD5 text on white | 2.16:1 | Fails | Lc 42.4 | Non-text elements, placeholder text |
| #6BBBD5 text on black | 9.69:1 | AAA | Lc -59.8 | 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
#F0F7F9
oklch(97.1% 0.008 216.6)
-
Step 100
100
#DFEDF1
oklch(93.7% 0.016 216.7)
-
Step 200
200
#C4DEE7
oklch(88.4% 0.03 220.6)
-
Step 300
300
#9AC9DA
oklch(80.8% 0.055 222.1)
-
Step 400
400 (this color)
#6BBBD5
oklch(75.1% 0.087 221.1)
-
Step 500
500
#1998B9
oklch(63.1% 0.111 221.5)
-
Step 600
600
#00809D
oklch(55.6% 0.102 221.1)
-
Step 700
700
#006C85
oklch(49.2% 0.09 221.2)
-
Step 800
800
#00586D
oklch(42.6% 0.078 221.3)
-
Step 900
900
#00495B
oklch(37.6% 0.069 221.4)
-
Step 950
950
#042B36
oklch(26.9% 0.046 221.4)
#6BBBD5 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) | #ABB7D6 | 0.072 |
| Deuteranopia (no green cones) | #9BABD5 | 0.065 |
| Tritanopia (no blue cones) | #2EC4C3 | 0.057 |
| Achromatopsia (no color) | #B0B0B0 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6BBBD5
#6BBBD5
oklch(75.1% 0.087 221.1)
- #DE9C83
#DE9C83
oklch(75.1% 0.087 41.6)
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 #6BBBD5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Vivid Sky Blue #4CC9F0 ΔE 0.047
- Light Cornflower Blue #98C1D9 ΔE 0.052
- Light Grey Blue #9DBCD4 ΔE 0.054
- Lightblue #7BC8F6 ΔE 0.057
- Sky Blue #87CEEB ΔE 0.065
- Dark Turquoise #00CED1 ΔE 0.067
- Turquoise Blue #06B1C4 ΔE 0.067
- Sky #82CAFC ΔE 0.069
Use #6BBBD5 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.