#6BBDD4
Closest named color: Vivid Sky Blue (#4CC9F0). oklch(75.5% 0.086 218), rgb(107, 189, 212).
Aa
Black text reads best on this color (9.85:1).
About this color
#6BBDD4 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 75%, its chroma 0.086 and its hue 218°. Its hue sits on the cool side of the wheel. The nearest named color is Vivid Sky Blue (#4CC9F0), ΔE 0.045 away. Black text reads best on it, at 9.85:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.086) |
| Temperature | cool |
| Nearest name | Vivid Sky Blue (#4CC9F0) |
| Black text | 9.85:1 |
| White text | 2.13:1 |
Values
| HEX | #6BBDD4 |
| RGB | rgb(107, 189, 212) |
| HSL | hsl(193, 55%, 63%) |
| OKLCH | oklch(75.5% 0.086 218) |
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 #6BBDD4 | 2.13:1 | Fails | Lc -46.3 | Large or bold text, headings |
| Black text on #6BBDD4 | 9.85:1 | AAA | Lc 62.3 | Content text, not long reading |
| #6BBDD4 text on white | 2.13:1 | Fails | Lc 41.7 | Non-text elements, placeholder text |
| #6BBDD4 text on black | 9.85:1 | AAA | Lc -60.6 | 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
#DFEDF1
oklch(93.7% 0.016 216.7)
-
Step 200
200
#C4DEE6
oklch(88.4% 0.03 218.2)
-
Step 300
300
#9ACAD8
oklch(81% 0.054 217.6)
-
Step 400
400 (this color)
#6BBDD4
oklch(75.5% 0.086 218)
-
Step 500
500
#1299B6
oklch(63.1% 0.111 218.1)
-
Step 600
600
#00819A
oklch(55.7% 0.1 217.7)
-
Step 700
700
#006C82
oklch(49.1% 0.088 218.4)
-
Step 800
800
#00596B
oklch(42.8% 0.077 217.7)
-
Step 900
900
#004A59
oklch(37.7% 0.067 217.2)
-
Step 950
950
#042C35
oklch(27.1% 0.045 216.7)
#6BBDD4 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) | #AEB9D5 | 0.075 |
| Deuteranopia (no green cones) | #9EACD4 | 0.069 |
| Tritanopia (no blue cones) | #2EC5C4 | 0.053 |
| Achromatopsia (no color) | #B2B2B2 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6BBDD4
#6BBDD4
oklch(75.5% 0.086 218)
- #E09D88
#E09D88
oklch(75.6% 0.086 38.1)
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 #6BBDD4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Vivid Sky Blue #4CC9F0 ΔE 0.045
- Light Cornflower Blue #98C1D9 ΔE 0.050
- Light Grey Blue #9DBCD4 ΔE 0.053
- Lightblue #7BC8F6 ΔE 0.056
- Sky Blue #87CEEB ΔE 0.061
- Dark Turquoise #00CED1 ΔE 0.062
- Medium Turquoise #48D1CC ΔE 0.063
- Sky #82CAFC ΔE 0.068
Use #6BBDD4 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.