#6BCBF9
Closest named color: Lightblue (#7BC8F6). oklch(80.1% 0.112 231.2), rgb(107, 203, 249).
Aa
Black text reads best on this color (11.53:1).
About this color
#6BCBF9 is a light, moderately saturated blue. In OKLCH its lightness is 80%, its chroma 0.112 and its hue 231°. Its hue sits on the cool side of the wheel. The nearest named color is Lightblue (#7BC8F6), ΔE 0.014 away. Black text reads best on it, at 11.53:1.
| Hue family | Blues |
| Lightness | light (80%) |
| Chroma | moderately saturated (0.112) |
| Temperature | cool |
| Nearest name | Lightblue (#7BC8F6) |
| Black text | 11.53:1 |
| White text | 1.82:1 |
Values
| HEX | #6BCBF9 |
| RGB | rgb(107, 203, 249) |
| HSL | hsl(199, 92%, 70%) |
| OKLCH | oklch(80.1% 0.112 231.2) |
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 #6BCBF9 | 1.82:1 | Fails | Lc -37.9 | Non-text elements, placeholder text |
| Black text on #6BCBF9 | 11.53:1 | AAA | Lc 70.1 | Content text, not long reading |
| #6BCBF9 text on white | 1.82:1 | Fails | Lc 33.8 | Non-text elements, placeholder text |
| #6BCBF9 text on black | 11.53:1 | AAA | Lc -68.8 | 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
#ECF8FE
oklch(97.2% 0.015 229)
-
Step 100
100
#D5EEFC
oklch(93.5% 0.033 232.2)
-
Step 200
200
#B0E1FB
oklch(88.4% 0.062 231.5)
-
Step 300
300 (this color)
#6BCBF9
oklch(80.1% 0.112 231.2)
-
Step 400
400
#00AFE9
oklch(70.7% 0.143 231.2)
-
Step 500
500
#0096C8
oklch(63.1% 0.127 231)
-
Step 600
600
#007EA9
oklch(55.6% 0.112 231.2)
-
Step 700
700
#006A8F
oklch(49.2% 0.1 231.3)
-
Step 800
800
#005775
oklch(42.8% 0.086 230.3)
-
Step 900
900
#004862
oklch(37.7% 0.076 230.8)
-
Step 950
950
#002B3C
oklch(27.1% 0.054 230.4)
#6BCBF9 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) | #B4C8FB | 0.077 |
| Deuteranopia (no green cones) | #A0B9F8 | 0.067 |
| Tritanopia (no blue cones) | #00D8DA | 0.079 |
| Achromatopsia (no color) | #C0C0C0 | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6BCBF9
#6BCBF9
oklch(80.1% 0.112 231.2)
- #F8A97A
#F8A97A
oklch(80.1% 0.112 51.3)
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 #6BCBF9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lightblue #7BC8F6 ΔE 0.014
- Sky #82CAFC ΔE 0.021
- Vivid Sky Blue #4CC9F0 ΔE 0.027
- Light Sky Blue #87CEFA ΔE 0.028
- Sky Blue #87CEEB ΔE 0.034
- Bright Sky Blue #02CCFE ΔE 0.042
- Light Cornflower Blue #98C1D9 ΔE 0.058
- Baby Blue #A2CFFE ΔE 0.058
Use #6BCBF9 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.