#6DC4EF
Closest named color: Lightblue (#7BC8F6). oklch(78.2% 0.104 231.7), rgb(109, 196, 239).
Aa
Black text reads best on this color (10.79:1).
About this color
#6DC4EF is a light, moderately saturated blue. In OKLCH its lightness is 78%, its chroma 0.104 and its hue 232°. Its hue sits on the cool side of the wheel. The nearest named color is Lightblue (#7BC8F6), ΔE 0.020 away. Black text reads best on it, at 10.79:1.
| Hue family | Blues |
| Lightness | light (78%) |
| Chroma | moderately saturated (0.104) |
| Temperature | cool |
| Nearest name | Lightblue (#7BC8F6) |
| Black text | 10.79:1 |
| White text | 1.94:1 |
Values
| HEX | #6DC4EF |
| RGB | rgb(109, 196, 239) |
| HSL | hsl(200, 80%, 68%) |
| OKLCH | oklch(78.2% 0.104 231.7) |
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 #6DC4EF | 1.94:1 | Fails | Lc -41.5 | Non-text elements, placeholder text |
| Black text on #6DC4EF | 10.79:1 | AAA | Lc 66.7 | Content text, not long reading |
| #6DC4EF text on white | 1.94:1 | Fails | Lc 37.2 | Non-text elements, placeholder text |
| #6DC4EF text on black | 10.79:1 | AAA | Lc -65.2 | 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
#EDF7FD
oklch(97% 0.013 233.7)
-
Step 100
100
#D7EEFB
oklch(93.6% 0.03 232.4)
-
Step 200
200
#B3E1F9
oklch(88.5% 0.058 230.9)
-
Step 300
300 (this color)
#6DC4EF
oklch(78.2% 0.104 231.7)
-
Step 400
400
#00AFEA
oklch(70.8% 0.144 231.6)
-
Step 500
500
#0096C9
oklch(63.2% 0.128 231.5)
-
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
#005676
oklch(42.6% 0.087 232.3)
-
Step 900
900
#004863
oklch(37.7% 0.077 231.8)
-
Step 950
950
#002B3C
oklch(27.1% 0.054 230.4)
#6DC4EF 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) | #AFC2F1 | 0.071 |
| Deuteranopia (no green cones) | #9CB4EE | 0.061 |
| Tritanopia (no blue cones) | #00D0D2 | 0.077 |
| Achromatopsia (no color) | #BABABA | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6DC4EF
#6DC4EF
oklch(78.2% 0.104 231.7)
- #EDA579
#EDA579
oklch(78.2% 0.104 52.1)
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 #6DC4EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lightblue #7BC8F6 ΔE 0.020
- Vivid Sky Blue #4CC9F0 ΔE 0.025
- Sky #82CAFC ΔE 0.032
- Sky Blue #87CEEB ΔE 0.041
- Light Sky Blue #87CEFA ΔE 0.041
- Bright Sky Blue #02CCFE ΔE 0.046
- Light Cornflower Blue #98C1D9 ΔE 0.049
- Carolina Blue #8AB8FE ΔE 0.051
Use #6DC4EF 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.