#6DC4FC
Closest named color: Lightblue (#7BC8F6). oklch(78.8% 0.116 238.8), rgb(109, 196, 252).
Aa
Black text reads best on this color (10.95:1).
About this color
#6DC4FC is a light, moderately saturated blue. In OKLCH its lightness is 79%, its chroma 0.116 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Lightblue (#7BC8F6), ΔE 0.021 away. Black text reads best on it, at 10.95:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.116) |
| Temperature | cool |
| Nearest name | Lightblue (#7BC8F6) |
| Black text | 10.95:1 |
| White text | 1.91:1 |
Values
| HEX | #6DC4FC |
| RGB | rgb(109, 196, 252) |
| HSL | hsl(203, 96%, 71%) |
| OKLCH | oklch(78.8% 0.116 238.8) |
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 #6DC4FC | 1.91:1 | Fails | Lc -40.7 | Non-text elements, placeholder text |
| Black text on #6DC4FC | 10.95:1 | AAA | Lc 67.5 | Content text, not long reading |
| #6DC4FC text on white | 1.91:1 | Fails | Lc 36.4 | Non-text elements, placeholder text |
| #6DC4FC text on black | 10.95:1 | AAA | Lc -66.0 | 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
#ECF7FF
oklch(97% 0.016 239.1)
-
Step 100
100
#D6EEFE
oklch(93.6% 0.033 237)
-
Step 200
200
#B3E0FF
oklch(88.5% 0.064 238.5)
-
Step 300
300 (this color)
#6DC4FC
oklch(78.8% 0.116 238.8)
-
Step 400
400
#00ACF8
oklch(70.8% 0.159 238.8)
-
Step 500
500
#0093D5
oklch(63.1% 0.142 238.9)
-
Step 600
600
#007CB4
oklch(55.7% 0.125 238.6)
-
Step 700
700
#006898
oklch(49.2% 0.11 238.7)
-
Step 800
800
#00557D
oklch(42.7% 0.096 238.5)
-
Step 900
900
#004769
oklch(37.8% 0.084 238.3)
-
Step 950
950
#002A41
oklch(27.1% 0.061 239)
#6DC4FC 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) | #ABC3FF | 0.066 |
| Deuteranopia (no green cones) | #97B5FB | 0.054 |
| Tritanopia (no blue cones) | #00D2D7 | 0.089 |
| Achromatopsia (no color) | #BBBBBB | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6DC4FC
#6DC4FC
oklch(78.8% 0.116 238.8)
- #F1A76B
#F1A76B
oklch(78.8% 0.116 59)
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 #6DC4FC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lightblue #7BC8F6 ΔE 0.021
- Sky #82CAFC ΔE 0.027
- Vivid Sky Blue #4CC9F0 ΔE 0.035
- Light Sky Blue #87CEFA ΔE 0.040
- Carolina Blue #8AB8FE ΔE 0.041
- Bright Sky Blue #02CCFE ΔE 0.046
- Sky Blue #87CEEB ΔE 0.049
- Deep Sky Blue #00BFFF ΔE 0.052
Use #6DC4FC 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.