#65C4E8
Closest named color: Vivid Sky Blue (#4CC9F0). oklch(77.6% 0.103 225.3), rgb(101, 196, 232).
Aa
Black text reads best on this color (10.61:1).
About this color
#65C4E8 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 78%, its chroma 0.103 and its hue 225°. Its hue sits on the cool side of the wheel. The nearest named color is Vivid Sky Blue (#4CC9F0), ΔE 0.020 away. Black text reads best on it, at 10.61:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (78%) |
| Chroma | moderately saturated (0.103) |
| Temperature | cool |
| Nearest name | Vivid Sky Blue (#4CC9F0) |
| Black text | 10.61:1 |
| White text | 1.97:1 |
Values
| HEX | #65C4E8 |
| RGB | rgb(101, 196, 232) |
| HSL | hsl(196, 74%, 65%) |
| OKLCH | oklch(77.6% 0.103 225.3) |
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 #65C4E8 | 1.97:1 | Fails | Lc -42.4 | Non-text elements, placeholder text |
| Black text on #65C4E8 | 10.61:1 | AAA | Lc 65.9 | Content text, not long reading |
| #65C4E8 text on white | 1.97:1 | Fails | Lc 38.0 | Non-text elements, placeholder text |
| #65C4E8 text on black | 10.61:1 | AAA | Lc -64.4 | 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
#ECF8FD
oklch(97.2% 0.014 224.5)
-
Step 100
100
#D6EFF9
oklch(93.7% 0.03 223.8)
-
Step 200
200
#B1E2F6
oklch(88.5% 0.058 224.8)
-
Step 300
300 (this color)
#65C4E8
oklch(77.6% 0.103 225.3)
-
Step 400
400
#00B1DF
oklch(70.7% 0.134 225)
-
Step 500
500
#0098C0
oklch(63.2% 0.12 225)
-
Step 600
600
#007FA2
oklch(55.5% 0.106 225.7)
-
Step 700
700
#006B88
oklch(49.1% 0.093 224.9)
-
Step 800
800
#005870
oklch(42.8% 0.081 224.4)
-
Step 900
900
#00495E
oklch(37.7% 0.071 225)
-
Step 950
950
#002B39
oklch(26.9% 0.051 225.5)
#65C4E8 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) | #B0C0EA | 0.080 |
| Deuteranopia (no green cones) | #9DB2E8 | 0.071 |
| Tritanopia (no blue cones) | #00CFD0 | 0.067 |
| Achromatopsia (no color) | #B8B8B8 | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #65C4E8
#65C4E8
oklch(77.6% 0.103 225.3)
- #EEA17E
#EEA17E
oklch(77.7% 0.104 45.2)
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 #65C4E8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Vivid Sky Blue #4CC9F0 ΔE 0.020
- Lightblue #7BC8F6 ΔE 0.031
- Sky #82CAFC ΔE 0.043
- Sky Blue #87CEEB ΔE 0.044
- Bright Sky Blue #02CCFE ΔE 0.045
- Light Sky Blue #87CEFA ΔE 0.050
- Light Cornflower Blue #98C1D9 ΔE 0.051
- Deep Sky Blue #00BFFF ΔE 0.056
Use #65C4E8 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.