#6DC4E4
Closest named color: Vivid Sky Blue (#4CC9F0). oklch(77.8% 0.095 224.1), rgb(109, 196, 228).
Aa
Black text reads best on this color (10.66:1).
About this color
#6DC4E4 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 78%, its chroma 0.095 and its hue 224°. Its hue sits on the cool side of the wheel. The nearest named color is Vivid Sky Blue (#4CC9F0), ΔE 0.026 away. Black text reads best on it, at 10.66:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (78%) |
| Chroma | moderately saturated (0.095) |
| Temperature | cool |
| Nearest name | Vivid Sky Blue (#4CC9F0) |
| Black text | 10.66:1 |
| White text | 1.96:1 |
Values
| HEX | #6DC4E4 |
| RGB | rgb(109, 196, 228) |
| HSL | hsl(196, 69%, 66%) |
| OKLCH | oklch(77.8% 0.095 224.1) |
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 #6DC4E4 | 1.96:1 | Fails | Lc -42.2 | Non-text elements, placeholder text |
| Black text on #6DC4E4 | 10.66:1 | AAA | Lc 66.1 | Content text, not long reading |
| #6DC4E4 text on white | 1.96:1 | Fails | Lc 37.8 | Non-text elements, placeholder text |
| #6DC4E4 text on black | 10.66:1 | AAA | Lc -64.6 | 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 300.
-
Step 50
50
#EDF8FC
oklch(97.2% 0.013 221.4)
-
Step 100
100
#D7EEF8
oklch(93.5% 0.028 225.7)
-
Step 200
200
#B4E1F3
oklch(88.4% 0.053 224.2)
-
Step 300
300 (this color)
#6DC4E4
oklch(77.8% 0.095 224.1)
-
Step 400
400
#00B1DE
oklch(70.7% 0.133 224.4)
-
Step 500
500
#0098BE
oklch(63.1% 0.118 223.7)
-
Step 600
600
#0080A0
oklch(55.7% 0.104 223.4)
-
Step 700
700
#006B87
oklch(49% 0.092 224)
-
Step 800
800
#00586F
oklch(42.7% 0.08 223.4)
-
Step 900
900
#00495D
oklch(37.7% 0.071 223.8)
-
Step 950
950
#002B39
oklch(26.9% 0.051 225.5)
#6DC4E4 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) | #B2C0E6 | 0.076 |
| Deuteranopia (no green cones) | #A1B3E4 | 0.068 |
| Tritanopia (no blue cones) | #1BCECE | 0.065 |
| Achromatopsia (no color) | #B9B9B9 | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6DC4E4
#6DC4E4
oklch(77.8% 0.095 224.1)
- #EBA384
#EBA384
oklch(77.8% 0.096 44.1)
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 #6DC4E4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Vivid Sky Blue #4CC9F0 ΔE 0.026
- Lightblue #7BC8F6 ΔE 0.031
- Sky Blue #87CEEB ΔE 0.040
- Sky #82CAFC ΔE 0.043
- Light Cornflower Blue #98C1D9 ΔE 0.044
- Light Sky Blue #87CEFA ΔE 0.048
- Light Grey Blue #9DBCD4 ΔE 0.052
- Bright Sky Blue #02CCFE ΔE 0.052
Use #6DC4E4 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.